Home / 1,209,939.20-1,814,770.32-323,544.32

Finding the Fourth Proportional to 1,209,939.20, 1,814,770.32 and 323,544.32

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Solution

The fourth proportional to 1,209,939.20, 1,814,770.32 and 323,544.32 is: 485,279.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,939.20 : 1,814,770.32 = 323,544.32 : x
  2. Step 2: Convert to fraction form
    1,209,939.20/1,814,770.32 = 323,544.32/x
  3. Step 3: Cross multiply
    1,209,939.20x = 1,814,770.32 × 323,544.32
  4. Step 4: Simplify right side
    1,209,939.20x = 587,158,629,140.58
  5. Step 5: Solve for x
    x = 587,158,629,140.58/1,209,939.20
  6. Step 6: Final answer
    x = 485,279.45

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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.