Home / 1,092,423.76-1,638,281.04-418,469.20

Finding the Fourth Proportional to 1,092,423.76, 1,638,281.04 and 418,469.20

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Solution

The fourth proportional to 1,092,423.76, 1,638,281.04 and 418,469.20 is: 627,567.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,423.76 : 1,638,281.04 = 418,469.20 : x
  2. Step 2: Convert to fraction form
    1,092,423.76/1,638,281.04 = 418,469.20/x
  3. Step 3: Cross multiply
    1,092,423.76x = 1,638,281.04 × 418,469.20
  4. Step 4: Simplify right side
    1,092,423.76x = 685,570,156,183.97
  5. Step 5: Solve for x
    x = 685,570,156,183.97/1,092,423.76
  6. Step 6: Final answer
    x = 627,567.97

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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.