Home / 1,276,198.73-1,914,603.56-365,393.89

Finding the Fourth Proportional to 1,276,198.73, 1,914,603.56 and 365,393.89

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Solution

The fourth proportional to 1,276,198.73, 1,914,603.56 and 365,393.89 is: 548,178.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,276,198.73 : 1,914,603.56 = 365,393.89 : x
  2. Step 2: Convert to fraction form
    1,276,198.73/1,914,603.56 = 365,393.89/x
  3. Step 3: Cross multiply
    1,276,198.73x = 1,914,603.56 × 365,393.89
  4. Step 4: Simplify right side
    1,276,198.73x = 699,584,442,596.25
  5. Step 5: Solve for x
    x = 699,584,442,596.25/1,276,198.73
  6. Step 6: Final answer
    x = 548,178.29

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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.