Home / 1,247,824.24-1,721,997.45-674,864.41

Finding the Fourth Proportional to 1,247,824.24, 1,721,997.45 and 674,864.41

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Solution

The fourth proportional to 1,247,824.24, 1,721,997.45 and 674,864.41 is: 931,312.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,824.24 : 1,721,997.45 = 674,864.41 : x
  2. Step 2: Convert to fraction form
    1,247,824.24/1,721,997.45 = 674,864.41/x
  3. Step 3: Cross multiply
    1,247,824.24x = 1,721,997.45 × 674,864.41
  4. Step 4: Simplify right side
    1,247,824.24x = 1,162,114,793,115.75
  5. Step 5: Solve for x
    x = 1,162,114,793,115.75/1,247,824.24
  6. Step 6: Final answer
    x = 931,312.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.