Home / 1,817,791.20-2,726,661.20-820,517.60

Finding the Fourth Proportional to 1,817,791.20, 2,726,661.20 and 820,517.60

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Solution

The fourth proportional to 1,817,791.20, 2,726,661.20 and 820,517.60 is: 1,230,764.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,791.20 : 2,726,661.20 = 820,517.60 : x
  2. Step 2: Convert to fraction form
    1,817,791.20/2,726,661.20 = 820,517.60/x
  3. Step 3: Cross multiply
    1,817,791.20x = 2,726,661.20 × 820,517.60
  4. Step 4: Simplify right side
    1,817,791.20x = 2,237,273,503,837.12
  5. Step 5: Solve for x
    x = 2,237,273,503,837.12/1,817,791.20
  6. Step 6: Final answer
    x = 1,230,764.84

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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.