Home / 1,328,365.20-1,992,839.40-654,769.20

Finding the Fourth Proportional to 1,328,365.20, 1,992,839.40 and 654,769.20

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Solution

The fourth proportional to 1,328,365.20, 1,992,839.40 and 654,769.20 is: 982,297.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,365.20 : 1,992,839.40 = 654,769.20 : x
  2. Step 2: Convert to fraction form
    1,328,365.20/1,992,839.40 = 654,769.20/x
  3. Step 3: Cross multiply
    1,328,365.20x = 1,992,839.40 × 654,769.20
  4. Step 4: Simplify right side
    1,328,365.20x = 1,304,849,859,666.48
  5. Step 5: Solve for x
    x = 1,304,849,859,666.48/1,328,365.20
  6. Step 6: Final answer
    x = 982,297.53

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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.