Home / 823,951.48-1,234,473.64-721,607.56

Finding the Fourth Proportional to 823,951.48, 1,234,473.64 and 721,607.56

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Solution

The fourth proportional to 823,951.48, 1,234,473.64 and 721,607.56 is: 1,081,138.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,951.48 : 1,234,473.64 = 721,607.56 : x
  2. Step 2: Convert to fraction form
    823,951.48/1,234,473.64 = 721,607.56/x
  3. Step 3: Cross multiply
    823,951.48x = 1,234,473.64 × 721,607.56
  4. Step 4: Simplify right side
    823,951.48x = 890,805,511,244.72
  5. Step 5: Solve for x
    x = 890,805,511,244.72/823,951.48
  6. Step 6: Final answer
    x = 1,081,138.31

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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.