Home / 1,300,385.56-1,951,348.92-724,490.86

Finding the Fourth Proportional to 1,300,385.56, 1,951,348.92 and 724,490.86

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Solution

The fourth proportional to 1,300,385.56, 1,951,348.92 and 724,490.86 is: 1,087,165.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,300,385.56 : 1,951,348.92 = 724,490.86 : x
  2. Step 2: Convert to fraction form
    1,300,385.56/1,951,348.92 = 724,490.86/x
  3. Step 3: Cross multiply
    1,300,385.56x = 1,951,348.92 × 724,490.86
  4. Step 4: Simplify right side
    1,300,385.56x = 1,413,734,458,466.79
  5. Step 5: Solve for x
    x = 1,413,734,458,466.79/1,300,385.56
  6. Step 6: Final answer
    x = 1,087,165.61

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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.