Finding the Fourth Proportional to 1,131,229.87, 1,560,655.55 and 647,536.55
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Solution
The fourth proportional to 1,131,229.87, 1,560,655.55 and 647,536.55 is: 893,347.62
Step by Step Solution
- Step 1: Write the proportion equation
1,131,229.87 : 1,560,655.55 = 647,536.55 : x - Step 2: Convert to fraction form
1,131,229.87/1,560,655.55 = 647,536.55/x - Step 3: Cross multiply
1,131,229.87x = 1,560,655.55 × 647,536.55 - Step 4: Simplify right side
1,131,229.87x = 1,010,581,504,400.92 - Step 5: Solve for x
x = 1,010,581,504,400.92/1,131,229.87 - Step 6: Final answer
x = 893,347.62
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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.