Home / 1,159,115.85-1,738,237.02-485,243.75

Finding the Fourth Proportional to 1,159,115.85, 1,738,237.02 and 485,243.75

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Solution

The fourth proportional to 1,159,115.85, 1,738,237.02 and 485,243.75 is: 727,682.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,159,115.85 : 1,738,237.02 = 485,243.75 : x
  2. Step 2: Convert to fraction form
    1,159,115.85/1,738,237.02 = 485,243.75/x
  3. Step 3: Cross multiply
    1,159,115.85x = 1,738,237.02 × 485,243.75
  4. Step 4: Simplify right side
    1,159,115.85x = 843,468,641,282.44
  5. Step 5: Solve for x
    x = 843,468,641,282.44/1,159,115.85
  6. Step 6: Final answer
    x = 727,682.78

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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.