Home / 1,304,319.40-1,799,959.10-723,630.62

Finding the Fourth Proportional to 1,304,319.40, 1,799,959.10 and 723,630.62

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Solution

The fourth proportional to 1,304,319.40, 1,799,959.10 and 723,630.62 is: 998,609.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,319.40 : 1,799,959.10 = 723,630.62 : x
  2. Step 2: Convert to fraction form
    1,304,319.40/1,799,959.10 = 723,630.62/x
  3. Step 3: Cross multiply
    1,304,319.40x = 1,799,959.10 × 723,630.62
  4. Step 4: Simplify right side
    1,304,319.40x = 1,302,505,519,507.64
  5. Step 5: Solve for x
    x = 1,302,505,519,507.64/1,304,319.40
  6. Step 6: Final answer
    x = 998,609.33

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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.