Home / 1,143,770.78-1,577,109.49-729,753.60

Finding the Fourth Proportional to 1,143,770.78, 1,577,109.49 and 729,753.60

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Solution

The fourth proportional to 1,143,770.78, 1,577,109.49 and 729,753.60 is: 1,006,234.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,770.78 : 1,577,109.49 = 729,753.60 : x
  2. Step 2: Convert to fraction form
    1,143,770.78/1,577,109.49 = 729,753.60/x
  3. Step 3: Cross multiply
    1,143,770.78x = 1,577,109.49 × 729,753.60
  4. Step 4: Simplify right side
    1,143,770.78x = 1,150,901,332,011.44
  5. Step 5: Solve for x
    x = 1,150,901,332,011.44/1,143,770.78
  6. Step 6: Final answer
    x = 1,006,234.25

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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.