Home / 1,102,480.12-1,517,903.23-940,685.86

Finding the Fourth Proportional to 1,102,480.12, 1,517,903.23 and 940,685.86

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Solution

The fourth proportional to 1,102,480.12, 1,517,903.23 and 940,685.86 is: 1,295,143.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,480.12 : 1,517,903.23 = 940,685.86 : x
  2. Step 2: Convert to fraction form
    1,102,480.12/1,517,903.23 = 940,685.86/x
  3. Step 3: Cross multiply
    1,102,480.12x = 1,517,903.23 × 940,685.86
  4. Step 4: Simplify right side
    1,102,480.12x = 1,427,870,098,080.57
  5. Step 5: Solve for x
    x = 1,427,870,098,080.57/1,102,480.12
  6. Step 6: Final answer
    x = 1,295,143.63

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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.