Home / 1,162,906.28-1,744,342.14-321,439.40

Finding the Fourth Proportional to 1,162,906.28, 1,744,342.14 and 321,439.40

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Solution

The fourth proportional to 1,162,906.28, 1,744,342.14 and 321,439.40 is: 482,154.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,906.28 : 1,744,342.14 = 321,439.40 : x
  2. Step 2: Convert to fraction form
    1,162,906.28/1,744,342.14 = 321,439.40/x
  3. Step 3: Cross multiply
    1,162,906.28x = 1,744,342.14 × 321,439.40
  4. Step 4: Simplify right side
    1,162,906.28x = 560,700,290,876.32
  5. Step 5: Solve for x
    x = 560,700,290,876.32/1,162,906.28
  6. Step 6: Final answer
    x = 482,154.32

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1.5x scale

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.