Home / 1,079,367.91-1,618,940.92-359,631.88

Finding the Fourth Proportional to 1,079,367.91, 1,618,940.92 and 359,631.88

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Solution

The fourth proportional to 1,079,367.91, 1,618,940.92 and 359,631.88 is: 539,410.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,367.91 : 1,618,940.92 = 359,631.88 : x
  2. Step 2: Convert to fraction form
    1,079,367.91/1,618,940.92 = 359,631.88/x
  3. Step 3: Cross multiply
    1,079,367.91x = 1,618,940.92 × 359,631.88
  4. Step 4: Simplify right side
    1,079,367.91x = 582,222,772,008.70
  5. Step 5: Solve for x
    x = 582,222,772,008.70/1,079,367.91
  6. Step 6: Final answer
    x = 539,410.86

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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.