Home / 876,858.20-1,315,287.30-823,714.10

Finding the Fourth Proportional to 876,858.20, 1,315,287.30 and 823,714.10

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Solution

The fourth proportional to 876,858.20, 1,315,287.30 and 823,714.10 is: 1,235,571.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,858.20 : 1,315,287.30 = 823,714.10 : x
  2. Step 2: Convert to fraction form
    876,858.20/1,315,287.30 = 823,714.10/x
  3. Step 3: Cross multiply
    876,858.20x = 1,315,287.30 × 823,714.10
  4. Step 4: Simplify right side
    876,858.20x = 1,083,420,694,560.93
  5. Step 5: Solve for x
    x = 1,083,420,694,560.93/876,858.20
  6. Step 6: Final answer
    x = 1,235,571.15

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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.