Home / 1,086,205.38-1,629,388.01-287,481.52

Finding the Fourth Proportional to 1,086,205.38, 1,629,388.01 and 287,481.52

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Solution

The fourth proportional to 1,086,205.38, 1,629,388.01 and 287,481.52 is: 431,243.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,205.38 : 1,629,388.01 = 287,481.52 : x
  2. Step 2: Convert to fraction form
    1,086,205.38/1,629,388.01 = 287,481.52/x
  3. Step 3: Cross multiply
    1,086,205.38x = 1,629,388.01 × 287,481.52
  4. Step 4: Simplify right side
    1,086,205.38x = 468,418,941,784.58
  5. Step 5: Solve for x
    x = 468,418,941,784.58/1,086,205.38
  6. Step 6: Final answer
    x = 431,243.44

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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.