Home / 1,434,288.70-2,149,136.70-759,489.85

Finding the Fourth Proportional to 1,434,288.70, 2,149,136.70 and 759,489.85

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Solution

The fourth proportional to 1,434,288.70, 2,149,136.70 and 759,489.85 is: 1,138,018.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,288.70 : 2,149,136.70 = 759,489.85 : x
  2. Step 2: Convert to fraction form
    1,434,288.70/2,149,136.70 = 759,489.85/x
  3. Step 3: Cross multiply
    1,434,288.70x = 2,149,136.70 × 759,489.85
  4. Step 4: Simplify right side
    1,434,288.70x = 1,632,247,509,912.50
  5. Step 5: Solve for x
    x = 1,632,247,509,912.50/1,434,288.70
  6. Step 6: Final answer
    x = 1,138,018.80

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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.