Home / 1,285,374.96-1,928,332.17-386,882.46

Finding the Fourth Proportional to 1,285,374.96, 1,928,332.17 and 386,882.46

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Solution

The fourth proportional to 1,285,374.96, 1,928,332.17 and 386,882.46 is: 580,404.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,374.96 : 1,928,332.17 = 386,882.46 : x
  2. Step 2: Convert to fraction form
    1,285,374.96/1,928,332.17 = 386,882.46/x
  3. Step 3: Cross multiply
    1,285,374.96x = 1,928,332.17 × 386,882.46
  4. Step 4: Simplify right side
    1,285,374.96x = 746,037,893,626.74
  5. Step 5: Solve for x
    x = 746,037,893,626.74/1,285,374.96
  6. Step 6: Final answer
    x = 580,404.88

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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.