Home / 1,591,491.72-2,387,316.90-454,422.60

Finding the Fourth Proportional to 1,591,491.72, 2,387,316.90 and 454,422.60

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Solution

The fourth proportional to 1,591,491.72, 2,387,316.90 and 454,422.60 is: 681,656.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,591,491.72 : 2,387,316.90 = 454,422.60 : x
  2. Step 2: Convert to fraction form
    1,591,491.72/2,387,316.90 = 454,422.60/x
  3. Step 3: Cross multiply
    1,591,491.72x = 2,387,316.90 × 454,422.60
  4. Step 4: Simplify right side
    1,591,491.72x = 1,084,850,752,721.94
  5. Step 5: Solve for x
    x = 1,084,850,752,721.94/1,591,491.72
  6. Step 6: Final answer
    x = 681,656.55

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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.