Home / 1,338,134.92-1,846,628.21-726,287.90

Finding the Fourth Proportional to 1,338,134.92, 1,846,628.21 and 726,287.90

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Solution

The fourth proportional to 1,338,134.92, 1,846,628.21 and 726,287.90 is: 1,002,278.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,134.92 : 1,846,628.21 = 726,287.90 : x
  2. Step 2: Convert to fraction form
    1,338,134.92/1,846,628.21 = 726,287.90/x
  3. Step 3: Cross multiply
    1,338,134.92x = 1,846,628.21 × 726,287.90
  4. Step 4: Simplify right side
    1,338,134.92x = 1,341,183,724,721.66
  5. Step 5: Solve for x
    x = 1,341,183,724,721.66/1,338,134.92
  6. Step 6: Final answer
    x = 1,002,278.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.