Home / 1,319,982.75-1,821,576.20-716,370.75

Finding the Fourth Proportional to 1,319,982.75, 1,821,576.20 and 716,370.75

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Solution

The fourth proportional to 1,319,982.75, 1,821,576.20 and 716,370.75 is: 988,591.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,319,982.75 : 1,821,576.20 = 716,370.75 : x
  2. Step 2: Convert to fraction form
    1,319,982.75/1,821,576.20 = 716,370.75/x
  3. Step 3: Cross multiply
    1,319,982.75x = 1,821,576.20 × 716,370.75
  4. Step 4: Simplify right side
    1,319,982.75x = 1,304,923,904,994.30
  5. Step 5: Solve for x
    x = 1,304,923,904,994.30/1,319,982.75
  6. Step 6: Final answer
    x = 988,591.64

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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.