Home / 855,608.20-1,283,412.30-814,136.20

Finding the Fourth Proportional to 855,608.20, 1,283,412.30 and 814,136.20

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Solution

The fourth proportional to 855,608.20, 1,283,412.30 and 814,136.20 is: 1,221,204.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,608.20 : 1,283,412.30 = 814,136.20 : x
  2. Step 2: Convert to fraction form
    855,608.20/1,283,412.30 = 814,136.20/x
  3. Step 3: Cross multiply
    855,608.20x = 1,283,412.30 × 814,136.20
  4. Step 4: Simplify right side
    855,608.20x = 1,044,872,412,955.26
  5. Step 5: Solve for x
    x = 1,044,872,412,955.26/855,608.20
  6. Step 6: Final answer
    x = 1,221,204.30

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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.