Home / 1,097,794.40-1,646,691.60-423,906.80

Finding the Fourth Proportional to 1,097,794.40, 1,646,691.60 and 423,906.80

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Solution

The fourth proportional to 1,097,794.40, 1,646,691.60 and 423,906.80 is: 635,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,794.40 : 1,646,691.60 = 423,906.80 : x
  2. Step 2: Convert to fraction form
    1,097,794.40/1,646,691.60 = 423,906.80/x
  3. Step 3: Cross multiply
    1,097,794.40x = 1,646,691.60 × 423,906.80
  4. Step 4: Simplify right side
    1,097,794.40x = 698,043,766,742.88
  5. Step 5: Solve for x
    x = 698,043,766,742.88/1,097,794.40
  6. Step 6: Final answer
    x = 635,860.20

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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.