Home / 1,077,862.20-1,617,023.70-329,983.80

Finding the Fourth Proportional to 1,077,862.20, 1,617,023.70 and 329,983.80

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Solution

The fourth proportional to 1,077,862.20, 1,617,023.70 and 329,983.80 is: 495,046.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,862.20 : 1,617,023.70 = 329,983.80 : x
  2. Step 2: Convert to fraction form
    1,077,862.20/1,617,023.70 = 329,983.80/x
  3. Step 3: Cross multiply
    1,077,862.20x = 1,617,023.70 × 329,983.80
  4. Step 4: Simplify right side
    1,077,862.20x = 533,591,625,216.06
  5. Step 5: Solve for x
    x = 533,591,625,216.06/1,077,862.20
  6. Step 6: Final answer
    x = 495,046.24

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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.