Home / 802,120.20-1,203,136.02-269,586.24

Finding the Fourth Proportional to 802,120.20, 1,203,136.02 and 269,586.24

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Solution

The fourth proportional to 802,120.20, 1,203,136.02 and 269,586.24 is: 404,364.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,120.20 : 1,203,136.02 = 269,586.24 : x
  2. Step 2: Convert to fraction form
    802,120.20/1,203,136.02 = 269,586.24/x
  3. Step 3: Cross multiply
    802,120.20x = 1,203,136.02 × 269,586.24
  4. Step 4: Simplify right side
    802,120.20x = 324,348,915,840.37
  5. Step 5: Solve for x
    x = 324,348,915,840.37/802,120.20
  6. Step 6: Final answer
    x = 404,364.48

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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.