Home / 1,020,861.31-1,531,432.11-346,761.70

Finding the Fourth Proportional to 1,020,861.31, 1,531,432.11 and 346,761.70

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Solution

The fourth proportional to 1,020,861.31, 1,531,432.11 and 346,761.70 is: 520,190.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,861.31 : 1,531,432.11 = 346,761.70 : x
  2. Step 2: Convert to fraction form
    1,020,861.31/1,531,432.11 = 346,761.70/x
  3. Step 3: Cross multiply
    1,020,861.31x = 1,531,432.11 × 346,761.70
  4. Step 4: Simplify right side
    1,020,861.31x = 531,042,001,898.19
  5. Step 5: Solve for x
    x = 531,042,001,898.19/1,020,861.31
  6. Step 6: Final answer
    x = 520,190.15

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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.