Home / 1,538,668.49-2,123,251.31-850,332.11

Finding the Fourth Proportional to 1,538,668.49, 2,123,251.31 and 850,332.11

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Solution

The fourth proportional to 1,538,668.49, 2,123,251.31 and 850,332.11 is: 1,173,396.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,668.49 : 2,123,251.31 = 850,332.11 : x
  2. Step 2: Convert to fraction form
    1,538,668.49/2,123,251.31 = 850,332.11/x
  3. Step 3: Cross multiply
    1,538,668.49x = 2,123,251.31 × 850,332.11
  4. Step 4: Simplify right side
    1,538,668.49x = 1,805,468,758,002.14
  5. Step 5: Solve for x
    x = 1,805,468,758,002.14/1,538,668.49
  6. Step 6: Final answer
    x = 1,173,396.85

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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.