Home / 1,438,481.05-2,158,005.82-527,671.97

Finding the Fourth Proportional to 1,438,481.05, 2,158,005.82 and 527,671.97

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Solution

The fourth proportional to 1,438,481.05, 2,158,005.82 and 527,671.97 is: 791,612.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,481.05 : 2,158,005.82 = 527,671.97 : x
  2. Step 2: Convert to fraction form
    1,438,481.05/2,158,005.82 = 527,671.97/x
  3. Step 3: Cross multiply
    1,438,481.05x = 2,158,005.82 × 527,671.97
  4. Step 4: Simplify right side
    1,438,481.05x = 1,138,719,179,672.51
  5. Step 5: Solve for x
    x = 1,138,719,179,672.51/1,438,481.05
  6. Step 6: Final answer
    x = 791,612.22

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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.