Finding the Fourth Proportional to 1,165,932.78, 1,609,101.99 and 682,468.62
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Solution
The fourth proportional to 1,165,932.78, 1,609,101.99 and 682,468.62 is: 941,873.87
Step by Step Solution
- Step 1: Write the proportion equation
1,165,932.78 : 1,609,101.99 = 682,468.62 : x - Step 2: Convert to fraction form
1,165,932.78/1,609,101.99 = 682,468.62/x - Step 3: Cross multiply
1,165,932.78x = 1,609,101.99 × 682,468.62 - Step 4: Simplify right side
1,165,932.78x = 1,098,161,614,554.55 - Step 5: Solve for x
x = 1,098,161,614,554.55/1,165,932.78 - Step 6: Final answer
x = 941,873.87
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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.