Home / 1,538,857.82-2,123,733.68-850,514.88

Finding the Fourth Proportional to 1,538,857.82, 2,123,733.68 and 850,514.88

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Solution

The fourth proportional to 1,538,857.82, 2,123,733.68 and 850,514.88 is: 1,173,771.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,538,857.82 : 2,123,733.68 = 850,514.88 : x
  2. Step 2: Convert to fraction form
    1,538,857.82/2,123,733.68 = 850,514.88/x
  3. Step 3: Cross multiply
    1,538,857.82x = 2,123,733.68 × 850,514.88
  4. Step 4: Simplify right side
    1,538,857.82x = 1,806,267,102,898.02
  5. Step 5: Solve for x
    x = 1,806,267,102,898.02/1,538,857.82
  6. Step 6: Final answer
    x = 1,173,771.27

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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.