Home / 814,848.30-1,222,491.15-726,712.20

Finding the Fourth Proportional to 814,848.30, 1,222,491.15 and 726,712.20

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Solution

The fourth proportional to 814,848.30, 1,222,491.15 and 726,712.20 is: 1,090,263.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,848.30 : 1,222,491.15 = 726,712.20 : x
  2. Step 2: Convert to fraction form
    814,848.30/1,222,491.15 = 726,712.20/x
  3. Step 3: Cross multiply
    814,848.30x = 1,222,491.15 × 726,712.20
  4. Step 4: Simplify right side
    814,848.30x = 888,399,233,097.03
  5. Step 5: Solve for x
    x = 888,399,233,097.03/814,848.30
  6. Step 6: Final answer
    x = 1,090,263.34

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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.