Home / 1,002,296.30-1,503,778.66-666,660.15

Finding the Fourth Proportional to 1,002,296.30, 1,503,778.66 and 666,660.15

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Solution

The fourth proportional to 1,002,296.30, 1,503,778.66 and 666,660.15 is: 1,000,212.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,296.30 : 1,503,778.66 = 666,660.15 : x
  2. Step 2: Convert to fraction form
    1,002,296.30/1,503,778.66 = 666,660.15/x
  3. Step 3: Cross multiply
    1,002,296.30x = 1,503,778.66 × 666,660.15
  4. Step 4: Simplify right side
    1,002,296.30x = 1,002,509,305,375.75
  5. Step 5: Solve for x
    x = 1,002,509,305,375.75/1,002,296.30
  6. Step 6: Final answer
    x = 1,000,212.52

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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.