Home / 855,610.20-1,283,415.30-814,138.20

Finding the Fourth Proportional to 855,610.20, 1,283,415.30 and 814,138.20

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Solution

The fourth proportional to 855,610.20, 1,283,415.30 and 814,138.20 is: 1,221,207.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,610.20 : 1,283,415.30 = 814,138.20 : x
  2. Step 2: Convert to fraction form
    855,610.20/1,283,415.30 = 814,138.20/x
  3. Step 3: Cross multiply
    855,610.20x = 1,283,415.30 × 814,138.20
  4. Step 4: Simplify right side
    855,610.20x = 1,044,877,422,194.46
  5. Step 5: Solve for x
    x = 1,044,877,422,194.46/855,610.20
  6. Step 6: Final answer
    x = 1,221,207.30

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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.