Home / 802,120.70-1,203,136.76-269,586.74

Finding the Fourth Proportional to 802,120.70, 1,203,136.76 and 269,586.74

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Solution

The fourth proportional to 802,120.70, 1,203,136.76 and 269,586.74 is: 404,365.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,120.70 : 1,203,136.76 = 269,586.74 : x
  2. Step 2: Convert to fraction form
    802,120.70/1,203,136.76 = 269,586.74/x
  3. Step 3: Cross multiply
    802,120.70x = 1,203,136.76 × 269,586.74
  4. Step 4: Simplify right side
    802,120.70x = 324,349,716,902.56
  5. Step 5: Solve for x
    x = 324,349,716,902.56/802,120.70
  6. Step 6: Final answer
    x = 404,365.22

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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.