Home / 1,215,089.05-1,822,626.97-495,427.95

Finding the Fourth Proportional to 1,215,089.05, 1,822,626.97 and 495,427.95

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Solution

The fourth proportional to 1,215,089.05, 1,822,626.97 and 495,427.95 is: 743,139.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,089.05 : 1,822,626.97 = 495,427.95 : x
  2. Step 2: Convert to fraction form
    1,215,089.05/1,822,626.97 = 495,427.95/x
  3. Step 3: Cross multiply
    1,215,089.05x = 1,822,626.97 × 495,427.95
  4. Step 4: Simplify right side
    1,215,089.05x = 902,980,340,480.61
  5. Step 5: Solve for x
    x = 902,980,340,480.61/1,215,089.05
  6. Step 6: Final answer
    x = 743,139.23

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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.