Home / 1,479,918.75-2,042,287.88-800,855.25

Finding the Fourth Proportional to 1,479,918.75, 2,042,287.88 and 800,855.25

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Solution

The fourth proportional to 1,479,918.75, 2,042,287.88 and 800,855.25 is: 1,105,180.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,918.75 : 2,042,287.88 = 800,855.25 : x
  2. Step 2: Convert to fraction form
    1,479,918.75/2,042,287.88 = 800,855.25/x
  3. Step 3: Cross multiply
    1,479,918.75x = 2,042,287.88 × 800,855.25
  4. Step 4: Simplify right side
    1,479,918.75x = 1,635,576,969,708.30
  5. Step 5: Solve for x
    x = 1,635,576,969,708.30/1,479,918.75
  6. Step 6: Final answer
    x = 1,105,180.25

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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.