Home / 1,338,354.90-1,846,932.12-726,508.14

Finding the Fourth Proportional to 1,338,354.90, 1,846,932.12 and 726,508.14

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Solution

The fourth proportional to 1,338,354.90, 1,846,932.12 and 726,508.14 is: 1,002,582.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,354.90 : 1,846,932.12 = 726,508.14 : x
  2. Step 2: Convert to fraction form
    1,338,354.90/1,846,932.12 = 726,508.14/x
  3. Step 3: Cross multiply
    1,338,354.90x = 1,846,932.12 × 726,508.14
  4. Step 4: Simplify right side
    1,338,354.90x = 1,341,811,219,207.46
  5. Step 5: Solve for x
    x = 1,341,811,219,207.46/1,338,354.90
  6. Step 6: Final answer
    x = 1,002,582.51

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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.