Home / 1,189,131.62-1,640,315.36-758,926.85

Finding the Fourth Proportional to 1,189,131.62, 1,640,315.36 and 758,926.85

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Solution

The fourth proportional to 1,189,131.62, 1,640,315.36 and 758,926.85 is: 1,046,881.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,131.62 : 1,640,315.36 = 758,926.85 : x
  2. Step 2: Convert to fraction form
    1,189,131.62/1,640,315.36 = 758,926.85/x
  3. Step 3: Cross multiply
    1,189,131.62x = 1,640,315.36 × 758,926.85
  4. Step 4: Simplify right side
    1,189,131.62x = 1,244,879,365,376.78
  5. Step 5: Solve for x
    x = 1,244,879,365,376.78/1,189,131.62
  6. Step 6: Final answer
    x = 1,046,881.06

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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.