Home / 1,216,889.76-1,679,824.87-758,230.91

Finding the Fourth Proportional to 1,216,889.76, 1,679,824.87 and 758,230.91

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Solution

The fourth proportional to 1,216,889.76, 1,679,824.87 and 758,230.91 is: 1,046,680.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,889.76 : 1,679,824.87 = 758,230.91 : x
  2. Step 2: Convert to fraction form
    1,216,889.76/1,679,824.87 = 758,230.91/x
  3. Step 3: Cross multiply
    1,216,889.76x = 1,679,824.87 × 758,230.91
  4. Step 4: Simplify right side
    1,216,889.76x = 1,273,695,135,825.37
  5. Step 5: Solve for x
    x = 1,273,695,135,825.37/1,216,889.76
  6. Step 6: Final answer
    x = 1,046,680.79

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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.