Home / 1,251,787.35-1,727,339.54-768,372.87

Finding the Fourth Proportional to 1,251,787.35, 1,727,339.54 and 768,372.87

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Solution

The fourth proportional to 1,251,787.35, 1,727,339.54 and 768,372.87 is: 1,060,276.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,251,787.35 : 1,727,339.54 = 768,372.87 : x
  2. Step 2: Convert to fraction form
    1,251,787.35/1,727,339.54 = 768,372.87/x
  3. Step 3: Cross multiply
    1,251,787.35x = 1,727,339.54 × 768,372.87
  4. Step 4: Simplify right side
    1,251,787.35x = 1,327,240,835,972.42
  5. Step 5: Solve for x
    x = 1,327,240,835,972.42/1,251,787.35
  6. Step 6: Final answer
    x = 1,060,276.60

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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.