Home / 897,226.20-1,345,839.30-861,796.80

Finding the Fourth Proportional to 897,226.20, 1,345,839.30 and 861,796.80

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Solution

The fourth proportional to 897,226.20, 1,345,839.30 and 861,796.80 is: 1,292,695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,226.20 : 1,345,839.30 = 861,796.80 : x
  2. Step 2: Convert to fraction form
    897,226.20/1,345,839.30 = 861,796.80/x
  3. Step 3: Cross multiply
    897,226.20x = 1,345,839.30 × 861,796.80
  4. Step 4: Simplify right side
    897,226.20x = 1,159,840,002,054.24
  5. Step 5: Solve for x
    x = 1,159,840,002,054.24/897,226.20
  6. Step 6: Final answer
    x = 1,292,695.20

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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.