Home / 1,247,648.20-1,871,472.30-1,168,916.20

Finding the Fourth Proportional to 1,247,648.20, 1,871,472.30 and 1,168,916.20

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Solution

The fourth proportional to 1,247,648.20, 1,871,472.30 and 1,168,916.20 is: 1,753,374.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,648.20 : 1,871,472.30 = 1,168,916.20 : x
  2. Step 2: Convert to fraction form
    1,247,648.20/1,871,472.30 = 1,168,916.20/x
  3. Step 3: Cross multiply
    1,247,648.20x = 1,871,472.30 × 1,168,916.20
  4. Step 4: Simplify right side
    1,247,648.20x = 2,187,594,289,321.26
  5. Step 5: Solve for x
    x = 2,187,594,289,321.26/1,247,648.20
  6. Step 6: Final answer
    x = 1,753,374.30

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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.