Home / 667,255.23-1,001,266.11-661,838.76

Finding the Fourth Proportional to 667,255.23, 1,001,266.11 and 661,838.76

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Solution

The fourth proportional to 667,255.23, 1,001,266.11 and 661,838.76 is: 993,138.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,255.23 : 1,001,266.11 = 661,838.76 : x
  2. Step 2: Convert to fraction form
    667,255.23/1,001,266.11 = 661,838.76/x
  3. Step 3: Cross multiply
    667,255.23x = 1,001,266.11 × 661,838.76
  4. Step 4: Simplify right side
    667,255.23x = 662,676,720,672.42
  5. Step 5: Solve for x
    x = 662,676,720,672.42/667,255.23
  6. Step 6: Final answer
    x = 993,138.29

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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.