Finding the Fourth Proportional to 1,079,104.92, 1,618,503.86 and 439,687.68
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Solution
The fourth proportional to 1,079,104.92, 1,618,503.86 and 439,687.68 is: 659,468.97
Step by Step Solution
- Step 1: Write the proportion equation
1,079,104.92 : 1,618,503.86 = 439,687.68 : x - Step 2: Convert to fraction form
1,079,104.92/1,618,503.86 = 439,687.68/x - Step 3: Cross multiply
1,079,104.92x = 1,618,503.86 × 439,687.68 - Step 4: Simplify right side
1,079,104.92x = 711,636,207,274.45 - Step 5: Solve for x
x = 711,636,207,274.45/1,079,104.92 - Step 6: Final answer
x = 659,468.97
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.