Home / 1,127,820.94-1,691,830.88-318,212.44

Finding the Fourth Proportional to 1,127,820.94, 1,691,830.88 and 318,212.44

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Solution

The fourth proportional to 1,127,820.94, 1,691,830.88 and 318,212.44 is: 477,346.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,820.94 : 1,691,830.88 = 318,212.44 : x
  2. Step 2: Convert to fraction form
    1,127,820.94/1,691,830.88 = 318,212.44/x
  3. Step 3: Cross multiply
    1,127,820.94x = 1,691,830.88 × 318,212.44
  4. Step 4: Simplify right side
    1,127,820.94x = 538,361,632,392.15
  5. Step 5: Solve for x
    x = 538,361,632,392.15/1,127,820.94
  6. Step 6: Final answer
    x = 477,346.73

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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.