Home / 1,304,331.36-1,800,072.92-723,645.80

Finding the Fourth Proportional to 1,304,331.36, 1,800,072.92 and 723,645.80

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Solution

The fourth proportional to 1,304,331.36, 1,800,072.92 and 723,645.80 is: 998,684.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,331.36 : 1,800,072.92 = 723,645.80 : x
  2. Step 2: Convert to fraction form
    1,304,331.36/1,800,072.92 = 723,645.80/x
  3. Step 3: Cross multiply
    1,304,331.36x = 1,800,072.92 × 723,645.80
  4. Step 4: Simplify right side
    1,304,331.36x = 1,302,615,207,810.76
  5. Step 5: Solve for x
    x = 1,302,615,207,810.76/1,304,331.36
  6. Step 6: Final answer
    x = 998,684.27

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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.