Home / 823,949.48-1,234,470.65-721,605.56

Finding the Fourth Proportional to 823,949.48, 1,234,470.65 and 721,605.56

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Solution

The fourth proportional to 823,949.48, 1,234,470.65 and 721,605.56 is: 1,081,135.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,949.48 : 1,234,470.65 = 721,605.56 : x
  2. Step 2: Convert to fraction form
    823,949.48/1,234,470.65 = 721,605.56/x
  3. Step 3: Cross multiply
    823,949.48x = 1,234,470.65 × 721,605.56
  4. Step 4: Simplify right side
    823,949.48x = 890,800,884,696.81
  5. Step 5: Solve for x
    x = 890,800,884,696.81/823,949.48
  6. Step 6: Final answer
    x = 1,081,135.32

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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.