Home / 1,145,908.20-1,719,234.90-546,791.70

Finding the Fourth Proportional to 1,145,908.20, 1,719,234.90 and 546,791.70

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Solution

The fourth proportional to 1,145,908.20, 1,719,234.90 and 546,791.70 is: 820,365.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,908.20 : 1,719,234.90 = 546,791.70 : x
  2. Step 2: Convert to fraction form
    1,145,908.20/1,719,234.90 = 546,791.70/x
  3. Step 3: Cross multiply
    1,145,908.20x = 1,719,234.90 × 546,791.70
  4. Step 4: Simplify right side
    1,145,908.20x = 940,063,373,670.33
  5. Step 5: Solve for x
    x = 940,063,373,670.33/1,145,908.20
  6. Step 6: Final answer
    x = 820,365.34

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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.