Home / 1,522,755-2,284,169.22-511,890.12

Finding the Fourth Proportional to 1,522,755, 2,284,169.22 and 511,890.12

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Solution

The fourth proportional to 1,522,755, 2,284,169.22 and 511,890.12 is: 767,847.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,755 : 2,284,169.22 = 511,890.12 : x
  2. Step 2: Convert to fraction form
    1,522,755/2,284,169.22 = 511,890.12/x
  3. Step 3: Cross multiply
    1,522,755x = 2,284,169.22 × 511,890.12
  4. Step 4: Simplify right side
    1,522,755x = 1,169,243,656,126.11
  5. Step 5: Solve for x
    x = 1,169,243,656,126.11/1,522,755
  6. Step 6: Final answer
    x = 767,847.52

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Double scale
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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.