Home / 1,450,716.90-2,002,173.42-877,761.78

Finding the Fourth Proportional to 1,450,716.90, 2,002,173.42 and 877,761.78

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Solution

The fourth proportional to 1,450,716.90, 2,002,173.42 and 877,761.78 is: 1,211,422.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450,716.90 : 2,002,173.42 = 877,761.78 : x
  2. Step 2: Convert to fraction form
    1,450,716.90/2,002,173.42 = 877,761.78/x
  3. Step 3: Cross multiply
    1,450,716.90x = 2,002,173.42 × 877,761.78
  4. Step 4: Simplify right side
    1,450,716.90x = 1,757,431,305,007.89
  5. Step 5: Solve for x
    x = 1,757,431,305,007.89/1,450,716.90
  6. Step 6: Final answer
    x = 1,211,422.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.