Home / 1,198,199.82-1,796,800.05-487,745.58

Finding the Fourth Proportional to 1,198,199.82, 1,796,800.05 and 487,745.58

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Solution

The fourth proportional to 1,198,199.82, 1,796,800.05 and 487,745.58 is: 731,414.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,199.82 : 1,796,800.05 = 487,745.58 : x
  2. Step 2: Convert to fraction form
    1,198,199.82/1,796,800.05 = 487,745.58/x
  3. Step 3: Cross multiply
    1,198,199.82x = 1,796,800.05 × 487,745.58
  4. Step 4: Simplify right side
    1,198,199.82x = 876,381,282,531.28
  5. Step 5: Solve for x
    x = 876,381,282,531.28/1,198,199.82
  6. Step 6: Final answer
    x = 731,414.97

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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.