Home / 1,687,617.26-2,531,103.32-505,665.26

Finding the Fourth Proportional to 1,687,617.26, 2,531,103.32 and 505,665.26

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Solution

The fourth proportional to 1,687,617.26, 2,531,103.32 and 505,665.26 is: 758,401.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687,617.26 : 2,531,103.32 = 505,665.26 : x
  2. Step 2: Convert to fraction form
    1,687,617.26/2,531,103.32 = 505,665.26/x
  3. Step 3: Cross multiply
    1,687,617.26x = 2,531,103.32 × 505,665.26
  4. Step 4: Simplify right side
    1,687,617.26x = 1,279,891,018,394.66
  5. Step 5: Solve for x
    x = 1,279,891,018,394.66/1,687,617.26
  6. Step 6: Final answer
    x = 758,401.24

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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.