Home / 1,286,948.93-1,930,414.72-327,396.30

Finding the Fourth Proportional to 1,286,948.93, 1,930,414.72 and 327,396.30

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Solution

The fourth proportional to 1,286,948.93, 1,930,414.72 and 327,396.30 is: 491,092.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,948.93 : 1,930,414.72 = 327,396.30 : x
  2. Step 2: Convert to fraction form
    1,286,948.93/1,930,414.72 = 327,396.30/x
  3. Step 3: Cross multiply
    1,286,948.93x = 1,930,414.72 × 327,396.30
  4. Step 4: Simplify right side
    1,286,948.93x = 632,010,636,793.54
  5. Step 5: Solve for x
    x = 632,010,636,793.54/1,286,948.93
  6. Step 6: Final answer
    x = 491,092.24

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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.