Home / 1,247,372.48-1,721,372.56-674,411.29

Finding the Fourth Proportional to 1,247,372.48, 1,721,372.56 and 674,411.29

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Solution

The fourth proportional to 1,247,372.48, 1,721,372.56 and 674,411.29 is: 930,686.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,372.48 : 1,721,372.56 = 674,411.29 : x
  2. Step 2: Convert to fraction form
    1,247,372.48/1,721,372.56 = 674,411.29/x
  3. Step 3: Cross multiply
    1,247,372.48x = 1,721,372.56 × 674,411.29
  4. Step 4: Simplify right side
    1,247,372.48x = 1,160,913,088,760.20
  5. Step 5: Solve for x
    x = 1,160,913,088,760.20/1,247,372.48
  6. Step 6: Final answer
    x = 930,686.79

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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.