Home / 1,231,642.60-1,845,714.30-857,228.20

Finding the Fourth Proportional to 1,231,642.60, 1,845,714.30 and 857,228.20

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Solution

The fourth proportional to 1,231,642.60, 1,845,714.30 and 857,228.20 is: 1,284,624.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,642.60 : 1,845,714.30 = 857,228.20 : x
  2. Step 2: Convert to fraction form
    1,231,642.60/1,845,714.30 = 857,228.20/x
  3. Step 3: Cross multiply
    1,231,642.60x = 1,845,714.30 × 857,228.20
  4. Step 4: Simplify right side
    1,231,642.60x = 1,582,198,347,103.26
  5. Step 5: Solve for x
    x = 1,582,198,347,103.26/1,231,642.60
  6. Step 6: Final answer
    x = 1,284,624.57

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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.