What comes next 0.6 1.03 1.46?

The sequence appears to be increasing by a consistent increment. The differences between the numbers are 0.43 (1.03 - 0.6) and 0.43 (1.46 - 1.03). Thus, the next number can be found by adding 0.43 to 1.46, which results in 1.89. Therefore, the next number in the sequence is 1.89.