Finding the Fourth Proportional to 1,059,053.60, 1,589,367.92 and 427,972.88
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Solution
The fourth proportional to 1,059,053.60, 1,589,367.92 and 427,972.88 is: 642,277.56
Step by Step Solution
- Step 1: Write the proportion equation
1,059,053.60 : 1,589,367.92 = 427,972.88 : x - Step 2: Convert to fraction form
1,059,053.60/1,589,367.92 = 427,972.88/x - Step 3: Cross multiply
1,059,053.60x = 1,589,367.92 × 427,972.88 - Step 4: Simplify right side
1,059,053.60x = 680,206,366,102.01 - Step 5: Solve for x
x = 680,206,366,102.01/1,059,053.60 - Step 6: Final answer
x = 642,277.56
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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.