Home / 1,079,486.10-1,619,229.15-331,569.30

Finding the Fourth Proportional to 1,079,486.10, 1,619,229.15 and 331,569.30

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Solution

The fourth proportional to 1,079,486.10, 1,619,229.15 and 331,569.30 is: 497,353.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,486.10 : 1,619,229.15 = 331,569.30 : x
  2. Step 2: Convert to fraction form
    1,079,486.10/1,619,229.15 = 331,569.30/x
  3. Step 3: Cross multiply
    1,079,486.10x = 1,619,229.15 × 331,569.30
  4. Step 4: Simplify right side
    1,079,486.10x = 536,886,675,805.10
  5. Step 5: Solve for x
    x = 536,886,675,805.10/1,079,486.10
  6. Step 6: Final answer
    x = 497,353.95

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Double scale
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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.