Home / 1,619,323.52-2,428,974.29-539,918.73

Finding the Fourth Proportional to 1,619,323.52, 2,428,974.29 and 539,918.73

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Solution

The fourth proportional to 1,619,323.52, 2,428,974.29 and 539,918.73 is: 809,874.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,323.52 : 2,428,974.29 = 539,918.73 : x
  2. Step 2: Convert to fraction form
    1,619,323.52/2,428,974.29 = 539,918.73/x
  3. Step 3: Cross multiply
    1,619,323.52x = 2,428,974.29 × 539,918.73
  4. Step 4: Simplify right side
    1,619,323.52x = 1,311,448,711,159.86
  5. Step 5: Solve for x
    x = 1,311,448,711,159.86/1,619,323.52
  6. Step 6: Final answer
    x = 809,874.43

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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.