Home / 781,424.92-1,170,225.78-705,694.78

Finding the Fourth Proportional to 781,424.92, 1,170,225.78 and 705,694.78

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Solution

The fourth proportional to 781,424.92, 1,170,225.78 and 705,694.78 is: 1,056,815.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,424.92 : 1,170,225.78 = 705,694.78 : x
  2. Step 2: Convert to fraction form
    781,424.92/1,170,225.78 = 705,694.78/x
  3. Step 3: Cross multiply
    781,424.92x = 1,170,225.78 × 705,694.78
  4. Step 4: Simplify right side
    781,424.92x = 825,822,224,367.43
  5. Step 5: Solve for x
    x = 825,822,224,367.43/781,424.92
  6. Step 6: Final answer
    x = 1,056,815.83

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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.