Finding the Fourth Proportional to 1,206,617.42, 1,665,247.68 and 690,268.79
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Solution
The fourth proportional to 1,206,617.42, 1,665,247.68 and 690,268.79 is: 952,637.09
Step by Step Solution
- Step 1: Write the proportion equation
1,206,617.42 : 1,665,247.68 = 690,268.79 : x - Step 2: Convert to fraction form
1,206,617.42/1,665,247.68 = 690,268.79/x - Step 3: Cross multiply
1,206,617.42x = 1,665,247.68 × 690,268.79 - Step 4: Simplify right side
1,206,617.42x = 1,149,468,505,287.03 - Step 5: Solve for x
x = 1,149,468,505,287.03/1,206,617.42 - Step 6: Final answer
x = 952,637.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.