Home / 681,817.58-1,022,874-261,093.46

Finding the Fourth Proportional to 681,817.58, 1,022,874 and 261,093.46

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Solution

The fourth proportional to 681,817.58, 1,022,874 and 261,093.46 is: 391,696.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,817.58 : 1,022,874 = 261,093.46 : x
  2. Step 2: Convert to fraction form
    681,817.58/1,022,874 = 261,093.46/x
  3. Step 3: Cross multiply
    681,817.58x = 1,022,874 × 261,093.46
  4. Step 4: Simplify right side
    681,817.58x = 267,065,711,804.04
  5. Step 5: Solve for x
    x = 267,065,711,804.04/681,817.58
  6. Step 6: Final answer
    x = 391,696.72

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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.