Home / 1,098,045.15-1,647,067.73-388,096.35

Finding the Fourth Proportional to 1,098,045.15, 1,647,067.73 and 388,096.35

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Solution

The fourth proportional to 1,098,045.15, 1,647,067.73 and 388,096.35 is: 582,144.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,045.15 : 1,647,067.73 = 388,096.35 : x
  2. Step 2: Convert to fraction form
    1,098,045.15/1,647,067.73 = 388,096.35/x
  3. Step 3: Cross multiply
    1,098,045.15x = 1,647,067.73 × 388,096.35
  4. Step 4: Simplify right side
    1,098,045.15x = 639,220,972,275.30
  5. Step 5: Solve for x
    x = 639,220,972,275.30/1,098,045.15
  6. Step 6: Final answer
    x = 582,144.53

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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.