Home / 1,156,489.92-1,726,264.80-1,020,139.20

Finding the Fourth Proportional to 1,156,489.92, 1,726,264.80 and 1,020,139.20

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Solution

The fourth proportional to 1,156,489.92, 1,726,264.80 and 1,020,139.20 is: 1,522,737.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,489.92 : 1,726,264.80 = 1,020,139.20 : x
  2. Step 2: Convert to fraction form
    1,156,489.92/1,726,264.80 = 1,020,139.20/x
  3. Step 3: Cross multiply
    1,156,489.92x = 1,726,264.80 × 1,020,139.20
  4. Step 4: Simplify right side
    1,156,489.92x = 1,761,030,392,060.16
  5. Step 5: Solve for x
    x = 1,761,030,392,060.16/1,156,489.92
  6. Step 6: Final answer
    x = 1,522,737.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.