Home / 1,159,548.30-1,738,512.45-685,989.90

Finding the Fourth Proportional to 1,159,548.30, 1,738,512.45 and 685,989.90

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Solution

The fourth proportional to 1,159,548.30, 1,738,512.45 and 685,989.90 is: 1,028,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,548.30 : 1,738,512.45 = 685,989.90 : x
  2. Step 2: Convert to fraction form
    1,159,548.30/1,738,512.45 = 685,989.90/x
  3. Step 3: Cross multiply
    1,159,548.30x = 1,738,512.45 × 685,989.90
  4. Step 4: Simplify right side
    1,159,548.30x = 1,192,601,981,724.26
  5. Step 5: Solve for x
    x = 1,192,601,981,724.26/1,159,548.30
  6. Step 6: Final answer
    x = 1,028,505.65

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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.