Home / 1,079,785.92-1,619,512.42-360,140.20

Finding the Fourth Proportional to 1,079,785.92, 1,619,512.42 and 360,140.20

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Solution

The fourth proportional to 1,079,785.92, 1,619,512.42 and 360,140.20 is: 540,154.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,785.92 : 1,619,512.42 = 360,140.20 : x
  2. Step 2: Convert to fraction form
    1,079,785.92/1,619,512.42 = 360,140.20/x
  3. Step 3: Cross multiply
    1,079,785.92x = 1,619,512.42 × 360,140.20
  4. Step 4: Simplify right side
    1,079,785.92x = 583,251,526,841.28
  5. Step 5: Solve for x
    x = 583,251,526,841.28/1,079,785.92
  6. Step 6: Final answer
    x = 540,154.78

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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.