Home / 1,230,649.20-1,845,961.65-389,200.95

Finding the Fourth Proportional to 1,230,649.20, 1,845,961.65 and 389,200.95

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Solution

The fourth proportional to 1,230,649.20, 1,845,961.65 and 389,200.95 is: 583,797.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,649.20 : 1,845,961.65 = 389,200.95 : x
  2. Step 2: Convert to fraction form
    1,230,649.20/1,845,961.65 = 389,200.95/x
  3. Step 3: Cross multiply
    1,230,649.20x = 1,845,961.65 × 389,200.95
  4. Step 4: Simplify right side
    1,230,649.20x = 718,450,027,843.57
  5. Step 5: Solve for x
    x = 718,450,027,843.57/1,230,649.20
  6. Step 6: Final answer
    x = 583,797.58

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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.