Home / 1,086,418.65-1,499,443.28-627,450.73

Finding the Fourth Proportional to 1,086,418.65, 1,499,443.28 and 627,450.73

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Solution

The fourth proportional to 1,086,418.65, 1,499,443.28 and 627,450.73 is: 865,989.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,418.65 : 1,499,443.28 = 627,450.73 : x
  2. Step 2: Convert to fraction form
    1,086,418.65/1,499,443.28 = 627,450.73/x
  3. Step 3: Cross multiply
    1,086,418.65x = 1,499,443.28 × 627,450.73
  4. Step 4: Simplify right side
    1,086,418.65x = 940,826,783,843.27
  5. Step 5: Solve for x
    x = 940,826,783,843.27/1,086,418.65
  6. Step 6: Final answer
    x = 865,989.17

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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.