Home / 747,941.20-1,121,911.80-667,070.80

Finding the Fourth Proportional to 747,941.20, 1,121,911.80 and 667,070.80

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Solution

The fourth proportional to 747,941.20, 1,121,911.80 and 667,070.80 is: 1,000,606.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,941.20 : 1,121,911.80 = 667,070.80 : x
  2. Step 2: Convert to fraction form
    747,941.20/1,121,911.80 = 667,070.80/x
  3. Step 3: Cross multiply
    747,941.20x = 1,121,911.80 × 667,070.80
  4. Step 4: Simplify right side
    747,941.20x = 748,394,601,955.44
  5. Step 5: Solve for x
    x = 748,394,601,955.44/747,941.20
  6. Step 6: Final answer
    x = 1,000,606.20

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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.