Home / 1,304,668.27-1,800,540.82-724,001.31

Finding the Fourth Proportional to 1,304,668.27, 1,800,540.82 and 724,001.31

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Solution

The fourth proportional to 1,304,668.27, 1,800,540.82 and 724,001.31 is: 999,176.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,668.27 : 1,800,540.82 = 724,001.31 : x
  2. Step 2: Convert to fraction form
    1,304,668.27/1,800,540.82 = 724,001.31/x
  3. Step 3: Cross multiply
    1,304,668.27x = 1,800,540.82 × 724,001.31
  4. Step 4: Simplify right side
    1,304,668.27x = 1,303,593,912,388.47
  5. Step 5: Solve for x
    x = 1,303,593,912,388.47/1,304,668.27
  6. Step 6: Final answer
    x = 999,176.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.