Home / 1,078,791.22-1,617,906.61-320,454.44

Finding the Fourth Proportional to 1,078,791.22, 1,617,906.61 and 320,454.44

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Solution

The fourth proportional to 1,078,791.22, 1,617,906.61 and 320,454.44 is: 480,598.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,791.22 : 1,617,906.61 = 320,454.44 : x
  2. Step 2: Convert to fraction form
    1,078,791.22/1,617,906.61 = 320,454.44/x
  3. Step 3: Cross multiply
    1,078,791.22x = 1,617,906.61 × 320,454.44
  4. Step 4: Simplify right side
    1,078,791.22x = 518,465,346,988.04
  5. Step 5: Solve for x
    x = 518,465,346,988.04/1,078,791.22
  6. Step 6: Final answer
    x = 480,598.41

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1.5x scale

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.