Finding the Fourth Proportional to 1,272,414.42, 1,755,933.99 and 699,458.22
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Solution
The fourth proportional to 1,272,414.42, 1,755,933.99 and 699,458.22 is: 965,253.49
Step by Step Solution
- Step 1: Write the proportion equation
1,272,414.42 : 1,755,933.99 = 699,458.22 : x - Step 2: Convert to fraction form
1,272,414.42/1,755,933.99 = 699,458.22/x - Step 3: Cross multiply
1,272,414.42x = 1,755,933.99 × 699,458.22 - Step 4: Simplify right side
1,272,414.42x = 1,228,202,463,082.90 - Step 5: Solve for x
x = 1,228,202,463,082.90/1,272,414.42 - Step 6: Final answer
x = 965,253.49
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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.