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Finding the Fourth Proportional to 1,244,908.04, 1,867,606.94 and 445,974.44

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Solution

The fourth proportional to 1,244,908.04, 1,867,606.94 and 445,974.44 is: 669,049.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,908.04 : 1,867,606.94 = 445,974.44 : x
  2. Step 2: Convert to fraction form
    1,244,908.04/1,867,606.94 = 445,974.44/x
  3. Step 3: Cross multiply
    1,244,908.04x = 1,867,606.94 × 445,974.44
  4. Step 4: Simplify right side
    1,244,908.04x = 832,904,959,206.61
  5. Step 5: Solve for x
    x = 832,904,959,206.61/1,244,908.04
  6. Step 6: Final answer
    x = 669,049.39

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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.