Home / 1,304,351.04-1,799,241.84-820,149.60

Finding the Fourth Proportional to 1,304,351.04, 1,799,241.84 and 820,149.60

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Solution

The fourth proportional to 1,304,351.04, 1,799,241.84 and 820,149.60 is: 1,131,326.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,351.04 : 1,799,241.84 = 820,149.60 : x
  2. Step 2: Convert to fraction form
    1,304,351.04/1,799,241.84 = 820,149.60/x
  3. Step 3: Cross multiply
    1,304,351.04x = 1,799,241.84 × 820,149.60
  4. Step 4: Simplify right side
    1,304,351.04x = 1,475,647,475,379.26
  5. Step 5: Solve for x
    x = 1,475,647,475,379.26/1,304,351.04
  6. Step 6: Final answer
    x = 1,131,326.94

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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.