Home / 1,338,355.40-1,846,932.81-726,508.64

Finding the Fourth Proportional to 1,338,355.40, 1,846,932.81 and 726,508.64

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Solution

The fourth proportional to 1,338,355.40, 1,846,932.81 and 726,508.64 is: 1,002,583.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,355.40 : 1,846,932.81 = 726,508.64 : x
  2. Step 2: Convert to fraction form
    1,338,355.40/1,846,932.81 = 726,508.64/x
  3. Step 3: Cross multiply
    1,338,355.40x = 1,846,932.81 × 726,508.64
  4. Step 4: Simplify right side
    1,338,355.40x = 1,341,812,643,964.48
  5. Step 5: Solve for x
    x = 1,341,812,643,964.48/1,338,355.40
  6. Step 6: Final answer
    x = 1,002,583.20

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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.