Home / 1,512,010.40-2,269,765.20-872,823.20

Finding the Fourth Proportional to 1,512,010.40, 2,269,765.20 and 872,823.20

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Solution

The fourth proportional to 1,512,010.40, 2,269,765.20 and 872,823.20 is: 1,310,244.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,010.40 : 2,269,765.20 = 872,823.20 : x
  2. Step 2: Convert to fraction form
    1,512,010.40/2,269,765.20 = 872,823.20/x
  3. Step 3: Cross multiply
    1,512,010.40x = 2,269,765.20 × 872,823.20
  4. Step 4: Simplify right side
    1,512,010.40x = 1,981,103,725,112.64
  5. Step 5: Solve for x
    x = 1,981,103,725,112.64/1,512,010.40
  6. Step 6: Final answer
    x = 1,310,244.77

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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.