Home / 1,440,218.28-1,987,491.78-795,680.04

Finding the Fourth Proportional to 1,440,218.28, 1,987,491.78 and 795,680.04

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Solution

The fourth proportional to 1,440,218.28, 1,987,491.78 and 795,680.04 is: 1,098,033.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,218.28 : 1,987,491.78 = 795,680.04 : x
  2. Step 2: Convert to fraction form
    1,440,218.28/1,987,491.78 = 795,680.04/x
  3. Step 3: Cross multiply
    1,440,218.28x = 1,987,491.78 × 795,680.04
  4. Step 4: Simplify right side
    1,440,218.28x = 1,581,407,539,010.07
  5. Step 5: Solve for x
    x = 1,581,407,539,010.07/1,440,218.28
  6. Step 6: Final answer
    x = 1,098,033.24

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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.