Home / 1,338,215.20-1,846,729.12-726,380.16

Finding the Fourth Proportional to 1,338,215.20, 1,846,729.12 and 726,380.16

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Solution

The fourth proportional to 1,338,215.20, 1,846,729.12 and 726,380.16 is: 1,002,400.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,215.20 : 1,846,729.12 = 726,380.16 : x
  2. Step 2: Convert to fraction form
    1,338,215.20/1,846,729.12 = 726,380.16/x
  3. Step 3: Cross multiply
    1,338,215.20x = 1,846,729.12 × 726,380.16
  4. Step 4: Simplify right side
    1,338,215.20x = 1,341,427,393,662.26
  5. Step 5: Solve for x
    x = 1,341,427,393,662.26/1,338,215.20
  6. Step 6: Final answer
    x = 1,002,400.36

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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.