Finding the Fourth Proportional to 1,165,777.18, 1,748,901.52 and 491,860.16
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Solution
The fourth proportional to 1,165,777.18, 1,748,901.52 and 491,860.16 is: 737,889.71
Step by Step Solution
- Step 1: Write the proportion equation
1,165,777.18 : 1,748,901.52 = 491,860.16 : x - Step 2: Convert to fraction form
1,165,777.18/1,748,901.52 = 491,860.16/x - Step 3: Cross multiply
1,165,777.18x = 1,748,901.52 × 491,860.16 - Step 4: Simplify right side
1,165,777.18x = 860,214,981,451.44 - Step 5: Solve for x
x = 860,214,981,451.44/1,165,777.18 - Step 6: Final answer
x = 737,889.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.