Home / 1,002,213.60-1,503,320.40-659,729.40

Finding the Fourth Proportional to 1,002,213.60, 1,503,320.40 and 659,729.40

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Solution

The fourth proportional to 1,002,213.60, 1,503,320.40 and 659,729.40 is: 989,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,213.60 : 1,503,320.40 = 659,729.40 : x
  2. Step 2: Convert to fraction form
    1,002,213.60/1,503,320.40 = 659,729.40/x
  3. Step 3: Cross multiply
    1,002,213.60x = 1,503,320.40 × 659,729.40
  4. Step 4: Simplify right side
    1,002,213.60x = 991,784,665,499.76
  5. Step 5: Solve for x
    x = 991,784,665,499.76/1,002,213.60
  6. Step 6: Final answer
    x = 989,594.10

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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.