Home / 1,360,480.05-2,040,720.08-495,979.88

Finding the Fourth Proportional to 1,360,480.05, 2,040,720.08 and 495,979.88

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Solution

The fourth proportional to 1,360,480.05, 2,040,720.08 and 495,979.88 is: 743,969.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,360,480.05 : 2,040,720.08 = 495,979.88 : x
  2. Step 2: Convert to fraction form
    1,360,480.05/2,040,720.08 = 495,979.88/x
  3. Step 3: Cross multiply
    1,360,480.05x = 2,040,720.08 × 495,979.88
  4. Step 4: Simplify right side
    1,360,480.05x = 1,012,156,087,708.49
  5. Step 5: Solve for x
    x = 1,012,156,087,708.49/1,360,480.05
  6. Step 6: Final answer
    x = 743,969.81

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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.