Home / 1,029,834.20-1,543,829.70-398,538.20

Finding the Fourth Proportional to 1,029,834.20, 1,543,829.70 and 398,538.20

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Solution

The fourth proportional to 1,029,834.20, 1,543,829.70 and 398,538.20 is: 597,450.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,834.20 : 1,543,829.70 = 398,538.20 : x
  2. Step 2: Convert to fraction form
    1,029,834.20/1,543,829.70 = 398,538.20/x
  3. Step 3: Cross multiply
    1,029,834.20x = 1,543,829.70 × 398,538.20
  4. Step 4: Simplify right side
    1,029,834.20x = 615,275,109,744.54
  5. Step 5: Solve for x
    x = 615,275,109,744.54/1,029,834.20
  6. Step 6: Final answer
    x = 597,450.65

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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.