Home / 1,007,149.38-1,389,866.10-548,267.28

Finding the Fourth Proportional to 1,007,149.38, 1,389,866.10 and 548,267.28

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Solution

The fourth proportional to 1,007,149.38, 1,389,866.10 and 548,267.28 is: 756,608.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,149.38 : 1,389,866.10 = 548,267.28 : x
  2. Step 2: Convert to fraction form
    1,007,149.38/1,389,866.10 = 548,267.28/x
  3. Step 3: Cross multiply
    1,007,149.38x = 1,389,866.10 × 548,267.28
  4. Step 4: Simplify right side
    1,007,149.38x = 762,018,106,211.21
  5. Step 5: Solve for x
    x = 762,018,106,211.21/1,007,149.38
  6. Step 6: Final answer
    x = 756,608.82

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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.