Home / 1,591,493.74-2,387,319.90-454,424.62

Finding the Fourth Proportional to 1,591,493.74, 2,387,319.90 and 454,424.62

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Solution

The fourth proportional to 1,591,493.74, 2,387,319.90 and 454,424.62 is: 681,659.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,493.74 : 2,387,319.90 = 454,424.62 : x
  2. Step 2: Convert to fraction form
    1,591,493.74/2,387,319.90 = 454,424.62/x
  3. Step 3: Cross multiply
    1,591,493.74x = 2,387,319.90 × 454,424.62
  4. Step 4: Simplify right side
    1,591,493.74x = 1,084,856,938,375.94
  5. Step 5: Solve for x
    x = 1,084,856,938,375.94/1,591,493.74
  6. Step 6: Final answer
    x = 681,659.57

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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.