Home / 1,272,591.30-1,908,787.65-739,772.46

Finding the Fourth Proportional to 1,272,591.30, 1,908,787.65 and 739,772.46

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Solution

The fourth proportional to 1,272,591.30, 1,908,787.65 and 739,772.46 is: 1,109,600.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,591.30 : 1,908,787.65 = 739,772.46 : x
  2. Step 2: Convert to fraction form
    1,272,591.30/1,908,787.65 = 739,772.46/x
  3. Step 3: Cross multiply
    1,272,591.30x = 1,908,787.65 × 739,772.46
  4. Step 4: Simplify right side
    1,272,591.30x = 1,412,068,535,458.12
  5. Step 5: Solve for x
    x = 1,412,068,535,458.12/1,272,591.30
  6. Step 6: Final answer
    x = 1,109,600.97

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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.