Home / 1,253,010.30-1,879,515.45-454,290.90

Finding the Fourth Proportional to 1,253,010.30, 1,879,515.45 and 454,290.90

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Solution

The fourth proportional to 1,253,010.30, 1,879,515.45 and 454,290.90 is: 681,436.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,010.30 : 1,879,515.45 = 454,290.90 : x
  2. Step 2: Convert to fraction form
    1,253,010.30/1,879,515.45 = 454,290.90/x
  3. Step 3: Cross multiply
    1,253,010.30x = 1,879,515.45 × 454,290.90
  4. Step 4: Simplify right side
    1,253,010.30x = 853,846,765,344.41
  5. Step 5: Solve for x
    x = 853,846,765,344.41/1,253,010.30
  6. Step 6: Final answer
    x = 681,436.35

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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.