Home / 1,755,125.26-2,632,687.90-425,429.26

Finding the Fourth Proportional to 1,755,125.26, 2,632,687.90 and 425,429.26

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Solution

The fourth proportional to 1,755,125.26, 2,632,687.90 and 425,429.26 is: 638,143.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,125.26 : 2,632,687.90 = 425,429.26 : x
  2. Step 2: Convert to fraction form
    1,755,125.26/2,632,687.90 = 425,429.26/x
  3. Step 3: Cross multiply
    1,755,125.26x = 2,632,687.90 × 425,429.26
  4. Step 4: Simplify right side
    1,755,125.26x = 1,120,022,465,107.95
  5. Step 5: Solve for x
    x = 1,120,022,465,107.95/1,755,125.26
  6. Step 6: Final answer
    x = 638,143.89

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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.