Home / 1,107,321.60-1,660,982.40-706,772.55

Finding the Fourth Proportional to 1,107,321.60, 1,660,982.40 and 706,772.55

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Solution

The fourth proportional to 1,107,321.60, 1,660,982.40 and 706,772.55 is: 1,060,158.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,321.60 : 1,660,982.40 = 706,772.55 : x
  2. Step 2: Convert to fraction form
    1,107,321.60/1,660,982.40 = 706,772.55/x
  3. Step 3: Cross multiply
    1,107,321.60x = 1,660,982.40 × 706,772.55
  4. Step 4: Simplify right side
    1,107,321.60x = 1,173,936,766,353.12
  5. Step 5: Solve for x
    x = 1,173,936,766,353.12/1,107,321.60
  6. Step 6: Final answer
    x = 1,060,158.83

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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.