Home / 782,486.20-1,176,353.70-667,012.60

Finding the Fourth Proportional to 782,486.20, 1,176,353.70 and 667,012.60

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Solution

The fourth proportional to 782,486.20, 1,176,353.70 and 667,012.60 is: 1,002,756.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,486.20 : 1,176,353.70 = 667,012.60 : x
  2. Step 2: Convert to fraction form
    782,486.20/1,176,353.70 = 667,012.60/x
  3. Step 3: Cross multiply
    782,486.20x = 1,176,353.70 × 667,012.60
  4. Step 4: Simplify right side
    782,486.20x = 784,642,739,956.62
  5. Step 5: Solve for x
    x = 784,642,739,956.62/782,486.20
  6. Step 6: Final answer
    x = 1,002,756.01

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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.