Finding the Fourth Proportional to 1,272,613.68, 1,904,766.84 and 935,565.12
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Solution
The fourth proportional to 1,272,613.68, 1,904,766.84 and 935,565.12 is: 1,400,294.09
Step by Step Solution
- Step 1: Write the proportion equation
1,272,613.68 : 1,904,766.84 = 935,565.12 : x - Step 2: Convert to fraction form
1,272,613.68/1,904,766.84 = 935,565.12/x - Step 3: Cross multiply
1,272,613.68x = 1,904,766.84 × 935,565.12 - Step 4: Simplify right side
1,272,613.68x = 1,782,033,417,236.62 - Step 5: Solve for x
x = 1,782,033,417,236.62/1,272,613.68 - Step 6: Final answer
x = 1,400,294.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.