Home / 1,264,807.14-1,745,654.29-1,222,768.44

Finding the Fourth Proportional to 1,264,807.14, 1,745,654.29 and 1,222,768.44

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Solution

The fourth proportional to 1,264,807.14, 1,745,654.29 and 1,222,768.44 is: 1,687,633.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,807.14 : 1,745,654.29 = 1,222,768.44 : x
  2. Step 2: Convert to fraction form
    1,264,807.14/1,745,654.29 = 1,222,768.44/x
  3. Step 3: Cross multiply
    1,264,807.14x = 1,745,654.29 × 1,222,768.44
  4. Step 4: Simplify right side
    1,264,807.14x = 2,134,530,969,905.69
  5. Step 5: Solve for x
    x = 2,134,530,969,905.69/1,264,807.14
  6. Step 6: Final answer
    x = 1,687,633.56

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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.