Finding the Fourth Proportional to 1,248,781.26, 1,723,318.11 and 675,821.43
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Solution
The fourth proportional to 1,248,781.26, 1,723,318.11 and 675,821.43 is: 932,633.56
Step by Step Solution
- Step 1: Write the proportion equation
1,248,781.26 : 1,723,318.11 = 675,821.43 : x - Step 2: Convert to fraction form
1,248,781.26/1,723,318.11 = 675,821.43/x - Step 3: Cross multiply
1,248,781.26x = 1,723,318.11 × 675,821.43 - Step 4: Simplify right side
1,248,781.26x = 1,164,655,309,445.10 - Step 5: Solve for x
x = 1,164,655,309,445.10/1,248,781.26 - Step 6: Final answer
x = 932,633.56
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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.