Home / 1,330,229.60-1,993,983.60-655,272.80

Finding the Fourth Proportional to 1,330,229.60, 1,993,983.60 and 655,272.80

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Solution

The fourth proportional to 1,330,229.60, 1,993,983.60 and 655,272.80 is: 982,238.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,229.60 : 1,993,983.60 = 655,272.80 : x
  2. Step 2: Convert to fraction form
    1,330,229.60/1,993,983.60 = 655,272.80/x
  3. Step 3: Cross multiply
    1,330,229.60x = 1,993,983.60 × 655,272.80
  4. Step 4: Simplify right side
    1,330,229.60x = 1,306,603,216,726.08
  5. Step 5: Solve for x
    x = 1,306,603,216,726.08/1,330,229.60
  6. Step 6: Final answer
    x = 982,238.87

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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.