Home / 826,714.20-1,240,071.30-721,738.20

Finding the Fourth Proportional to 826,714.20, 1,240,071.30 and 721,738.20

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Solution

The fourth proportional to 826,714.20, 1,240,071.30 and 721,738.20 is: 1,082,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,714.20 : 1,240,071.30 = 721,738.20 : x
  2. Step 2: Convert to fraction form
    826,714.20/1,240,071.30 = 721,738.20/x
  3. Step 3: Cross multiply
    826,714.20x = 1,240,071.30 × 721,738.20
  4. Step 4: Simplify right side
    826,714.20x = 895,006,827,933.66
  5. Step 5: Solve for x
    x = 895,006,827,933.66/826,714.20
  6. Step 6: Final answer
    x = 1,082,607.30

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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.