Home / 823,944.48-1,234,463.16-721,600.56

Finding the Fourth Proportional to 823,944.48, 1,234,463.16 and 721,600.56

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Solution

The fourth proportional to 823,944.48, 1,234,463.16 and 721,600.56 is: 1,081,127.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,944.48 : 1,234,463.16 = 721,600.56 : x
  2. Step 2: Convert to fraction form
    823,944.48/1,234,463.16 = 721,600.56/x
  3. Step 3: Cross multiply
    823,944.48x = 1,234,463.16 × 721,600.56
  4. Step 4: Simplify right side
    823,944.48x = 890,789,307,555.37
  5. Step 5: Solve for x
    x = 890,789,307,555.37/823,944.48
  6. Step 6: Final answer
    x = 1,081,127.83

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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.