Home / 823,947.98-1,234,468.41-721,604.06

Finding the Fourth Proportional to 823,947.98, 1,234,468.41 and 721,604.06

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Solution

The fourth proportional to 823,947.98, 1,234,468.41 and 721,604.06 is: 1,081,133.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,947.98 : 1,234,468.41 = 721,604.06 : x
  2. Step 2: Convert to fraction form
    823,947.98/1,234,468.41 = 721,604.06/x
  3. Step 3: Cross multiply
    823,947.98x = 1,234,468.41 × 721,604.06
  4. Step 4: Simplify right side
    823,947.98x = 890,797,416,597.75
  5. Step 5: Solve for x
    x = 890,797,416,597.75/823,947.98
  6. Step 6: Final answer
    x = 1,081,133.08

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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.