Home / 981,626.45-1,472,155.16-382,454.06

Finding the Fourth Proportional to 981,626.45, 1,472,155.16 and 382,454.06

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Solution

The fourth proportional to 981,626.45, 1,472,155.16 and 382,454.06 is: 573,570.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,626.45 : 1,472,155.16 = 382,454.06 : x
  2. Step 2: Convert to fraction form
    981,626.45/1,472,155.16 = 382,454.06/x
  3. Step 3: Cross multiply
    981,626.45x = 1,472,155.16 × 382,454.06
  4. Step 4: Simplify right side
    981,626.45x = 563,031,708,618.90
  5. Step 5: Solve for x
    x = 563,031,708,618.90/981,626.45
  6. Step 6: Final answer
    x = 573,570.23

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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.