Home / 1,374,113.60-2,060,587.20-664,359.20

Finding the Fourth Proportional to 1,374,113.60, 2,060,587.20 and 664,359.20

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Solution

The fourth proportional to 1,374,113.60, 2,060,587.20 and 664,359.20 is: 996,256.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,374,113.60 : 2,060,587.20 = 664,359.20 : x
  2. Step 2: Convert to fraction form
    1,374,113.60/2,060,587.20 = 664,359.20/x
  3. Step 3: Cross multiply
    1,374,113.60x = 2,060,587.20 × 664,359.20
  4. Step 4: Simplify right side
    1,374,113.60x = 1,368,970,063,722.24
  5. Step 5: Solve for x
    x = 1,368,970,063,722.24/1,374,113.60
  6. Step 6: Final answer
    x = 996,256.83

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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.