Home / 1,159,709.80-1,738,182.30-485,789.80

Finding the Fourth Proportional to 1,159,709.80, 1,738,182.30 and 485,789.80

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Solution

The fourth proportional to 1,159,709.80, 1,738,182.30 and 485,789.80 is: 728,105.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,709.80 : 1,738,182.30 = 485,789.80 : x
  2. Step 2: Convert to fraction form
    1,159,709.80/1,738,182.30 = 485,789.80/x
  3. Step 3: Cross multiply
    1,159,709.80x = 1,738,182.30 × 485,789.80
  4. Step 4: Simplify right side
    1,159,709.80x = 844,391,231,880.54
  5. Step 5: Solve for x
    x = 844,391,231,880.54/1,159,709.80
  6. Step 6: Final answer
    x = 728,105.63

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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.