Home / 1,247,943.43-1,722,156.30-674,982.24

Finding the Fourth Proportional to 1,247,943.43, 1,722,156.30 and 674,982.24

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Solution

The fourth proportional to 1,247,943.43, 1,722,156.30 and 674,982.24 is: 931,472.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,943.43 : 1,722,156.30 = 674,982.24 : x
  2. Step 2: Convert to fraction form
    1,247,943.43/1,722,156.30 = 674,982.24/x
  3. Step 3: Cross multiply
    1,247,943.43x = 1,722,156.30 × 674,982.24
  4. Step 4: Simplify right side
    1,247,943.43x = 1,162,424,917,004.11
  5. Step 5: Solve for x
    x = 1,162,424,917,004.11/1,247,943.43
  6. Step 6: Final answer
    x = 931,472.44

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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.