Home / 1,815,471.25-2,505,251.12-999,519.98

Finding the Fourth Proportional to 1,815,471.25, 2,505,251.12 and 999,519.98

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Solution

The fourth proportional to 1,815,471.25, 2,505,251.12 and 999,519.98 is: 1,379,282.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815,471.25 : 2,505,251.12 = 999,519.98 : x
  2. Step 2: Convert to fraction form
    1,815,471.25/2,505,251.12 = 999,519.98/x
  3. Step 3: Cross multiply
    1,815,471.25x = 2,505,251.12 × 999,519.98
  4. Step 4: Simplify right side
    1,815,471.25x = 2,504,048,531,833.52
  5. Step 5: Solve for x
    x = 2,504,048,531,833.52/1,815,471.25
  6. Step 6: Final answer
    x = 1,379,282.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.