Home / 1,325,736.14-1,987,061.46-757,515.26

Finding the Fourth Proportional to 1,325,736.14, 1,987,061.46 and 757,515.26

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Solution

The fourth proportional to 1,325,736.14, 1,987,061.46 and 757,515.26 is: 1,135,391.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325,736.14 : 1,987,061.46 = 757,515.26 : x
  2. Step 2: Convert to fraction form
    1,325,736.14/1,987,061.46 = 757,515.26/x
  3. Step 3: Cross multiply
    1,325,736.14x = 1,987,061.46 × 757,515.26
  4. Step 4: Simplify right side
    1,325,736.14x = 1,505,229,380,634.85
  5. Step 5: Solve for x
    x = 1,505,229,380,634.85/1,325,736.14
  6. Step 6: Final answer
    x = 1,135,391.38

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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.