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Finding the Fourth Proportional to 1,376,864, 1,900,250.52 and 773,252

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Solution

The fourth proportional to 1,376,864, 1,900,250.52 and 773,252 is: 1,067,187.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,864 : 1,900,250.52 = 773,252 : x
  2. Step 2: Convert to fraction form
    1,376,864/1,900,250.52 = 773,252/x
  3. Step 3: Cross multiply
    1,376,864x = 1,900,250.52 × 773,252
  4. Step 4: Simplify right side
    1,376,864x = 1,469,372,515,091.04
  5. Step 5: Solve for x
    x = 1,469,372,515,091.04/1,376,864
  6. Step 6: Final answer
    x = 1,067,187.84

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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.