Home / 1,538,523-2,123,156.52-850,175.64

Finding the Fourth Proportional to 1,538,523, 2,123,156.52 and 850,175.64

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Solution

The fourth proportional to 1,538,523, 2,123,156.52 and 850,175.64 is: 1,173,239.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,523 : 2,123,156.52 = 850,175.64 : x
  2. Step 2: Convert to fraction form
    1,538,523/2,123,156.52 = 850,175.64/x
  3. Step 3: Cross multiply
    1,538,523x = 2,123,156.52 × 850,175.64
  4. Step 4: Simplify right side
    1,538,523x = 1,805,055,953,211.17
  5. Step 5: Solve for x
    x = 1,805,055,953,211.17/1,538,523
  6. Step 6: Final answer
    x = 1,173,239.50

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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.