Home / 1,288,177.92-1,774,761.03-996,787.44

Finding the Fourth Proportional to 1,288,177.92, 1,774,761.03 and 996,787.44

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Solution

The fourth proportional to 1,288,177.92, 1,774,761.03 and 996,787.44 is: 1,373,303.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,177.92 : 1,774,761.03 = 996,787.44 : x
  2. Step 2: Convert to fraction form
    1,288,177.92/1,774,761.03 = 996,787.44/x
  3. Step 3: Cross multiply
    1,288,177.92x = 1,774,761.03 × 996,787.44
  4. Step 4: Simplify right side
    1,288,177.92x = 1,769,059,503,705.46
  5. Step 5: Solve for x
    x = 1,769,059,503,705.46/1,288,177.92
  6. Step 6: Final answer
    x = 1,373,303.70

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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.