Home / 681,824-1,022,883.64-261,099.90

Finding the Fourth Proportional to 681,824, 1,022,883.64 and 261,099.90

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Solution

The fourth proportional to 681,824, 1,022,883.64 and 261,099.90 is: 391,706.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,824 : 1,022,883.64 = 261,099.90 : x
  2. Step 2: Convert to fraction form
    681,824/1,022,883.64 = 261,099.90/x
  3. Step 3: Cross multiply
    681,824x = 1,022,883.64 × 261,099.90
  4. Step 4: Simplify right side
    681,824x = 267,074,816,115.64
  5. Step 5: Solve for x
    x = 267,074,816,115.64/681,824
  6. Step 6: Final answer
    x = 391,706.39

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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.