Home / 1,247,371.48-1,721,371.18-674,410.29

Finding the Fourth Proportional to 1,247,371.48, 1,721,371.18 and 674,410.29

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Solution

The fourth proportional to 1,247,371.48, 1,721,371.18 and 674,410.29 is: 930,685.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,371.48 : 1,721,371.18 = 674,410.29 : x
  2. Step 2: Convert to fraction form
    1,247,371.48/1,721,371.18 = 674,410.29/x
  3. Step 3: Cross multiply
    1,247,371.48x = 1,721,371.18 × 674,410.29
  4. Step 4: Simplify right side
    1,247,371.48x = 1,160,910,436,701.44
  5. Step 5: Solve for x
    x = 1,160,910,436,701.44/1,247,371.48
  6. Step 6: Final answer
    x = 930,685.41

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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.