Home / 1,787,008.60-2,680,512.90-791,680.60

Finding the Fourth Proportional to 1,787,008.60, 2,680,512.90 and 791,680.60

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Solution

The fourth proportional to 1,787,008.60, 2,680,512.90 and 791,680.60 is: 1,187,520.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,008.60 : 2,680,512.90 = 791,680.60 : x
  2. Step 2: Convert to fraction form
    1,787,008.60/2,680,512.90 = 791,680.60/x
  3. Step 3: Cross multiply
    1,787,008.60x = 2,680,512.90 × 791,680.60
  4. Step 4: Simplify right side
    1,787,008.60x = 2,122,110,060,979.74
  5. Step 5: Solve for x
    x = 2,122,110,060,979.74/1,787,008.60
  6. Step 6: Final answer
    x = 1,187,520.90

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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.