Home / 1,277,972.80-1,916,631.04-379,201.96

Finding the Fourth Proportional to 1,277,972.80, 1,916,631.04 and 379,201.96

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Solution

The fourth proportional to 1,277,972.80, 1,916,631.04 and 379,201.96 is: 568,705.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,972.80 : 1,916,631.04 = 379,201.96 : x
  2. Step 2: Convert to fraction form
    1,277,972.80/1,916,631.04 = 379,201.96/x
  3. Step 3: Cross multiply
    1,277,972.80x = 1,916,631.04 × 379,201.96
  4. Step 4: Simplify right side
    1,277,972.80x = 726,790,246,964.84
  5. Step 5: Solve for x
    x = 726,790,246,964.84/1,277,972.80
  6. Step 6: Final answer
    x = 568,705.57

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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.