Finding the Fourth Proportional to 1,285,432.29, 1,927,704.02 and 527,058.45
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Solution
The fourth proportional to 1,285,432.29, 1,927,704.02 and 527,058.45 is: 790,405.45
Step by Step Solution
- Step 1: Write the proportion equation
1,285,432.29 : 1,927,704.02 = 527,058.45 : x - Step 2: Convert to fraction form
1,285,432.29/1,927,704.02 = 527,058.45/x - Step 3: Cross multiply
1,285,432.29x = 1,927,704.02 × 527,058.45 - Step 4: Simplify right side
1,285,432.29x = 1,016,012,690,204.68 - Step 5: Solve for x
x = 1,016,012,690,204.68/1,285,432.29 - Step 6: Final answer
x = 790,405.45
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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.