Home / 1,216,764.46-1,825,189.08-418,040.20

Finding the Fourth Proportional to 1,216,764.46, 1,825,189.08 and 418,040.20

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Solution

The fourth proportional to 1,216,764.46, 1,825,189.08 and 418,040.20 is: 627,074.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,764.46 : 1,825,189.08 = 418,040.20 : x
  2. Step 2: Convert to fraction form
    1,216,764.46/1,825,189.08 = 418,040.20/x
  3. Step 3: Cross multiply
    1,216,764.46x = 1,825,189.08 × 418,040.20
  4. Step 4: Simplify right side
    1,216,764.46x = 763,002,397,869.97
  5. Step 5: Solve for x
    x = 763,002,397,869.97/1,216,764.46
  6. Step 6: Final answer
    x = 627,074.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.