Finding the Fourth Proportional to 1,001,703.12, 1,382,354.55 and 542,818.68
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Solution
The fourth proportional to 1,001,703.12, 1,382,354.55 and 542,818.68 is: 749,092.08
Step by Step Solution
- Step 1: Write the proportion equation
1,001,703.12 : 1,382,354.55 = 542,818.68 : x - Step 2: Convert to fraction form
1,001,703.12/1,382,354.55 = 542,818.68/x - Step 3: Cross multiply
1,001,703.12x = 1,382,354.55 × 542,818.68 - Step 4: Simplify right side
1,001,703.12x = 750,367,872,122.99 - Step 5: Solve for x
x = 750,367,872,122.99/1,001,703.12 - Step 6: Final answer
x = 749,092.08
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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.