Home / 1,755,170.50-2,632,755.75-425,474.50

Finding the Fourth Proportional to 1,755,170.50, 2,632,755.75 and 425,474.50

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Solution

The fourth proportional to 1,755,170.50, 2,632,755.75 and 425,474.50 is: 638,211.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,170.50 : 2,632,755.75 = 425,474.50 : x
  2. Step 2: Convert to fraction form
    1,755,170.50/2,632,755.75 = 425,474.50/x
  3. Step 3: Cross multiply
    1,755,170.50x = 2,632,755.75 × 425,474.50
  4. Step 4: Simplify right side
    1,755,170.50x = 1,120,170,436,353.38
  5. Step 5: Solve for x
    x = 1,120,170,436,353.38/1,755,170.50
  6. Step 6: Final answer
    x = 638,211.75

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Double scale
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Similar ratio
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1.5x scale

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.