Home / 1,451,234.67-2,002,007.12-1,249,680.75

Finding the Fourth Proportional to 1,451,234.67, 2,002,007.12 and 1,249,680.75

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Solution

The fourth proportional to 1,451,234.67, 2,002,007.12 and 1,249,680.75 is: 1,723,959.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,234.67 : 2,002,007.12 = 1,249,680.75 : x
  2. Step 2: Convert to fraction form
    1,451,234.67/2,002,007.12 = 1,249,680.75/x
  3. Step 3: Cross multiply
    1,451,234.67x = 2,002,007.12 × 1,249,680.75
  4. Step 4: Simplify right side
    1,451,234.67x = 2,501,869,752,978.54
  5. Step 5: Solve for x
    x = 2,501,869,752,978.54/1,451,234.67
  6. Step 6: Final answer
    x = 1,723,959.47

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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.