Home / 1,080,625.14-1,620,938.59-281,905.78

Finding the Fourth Proportional to 1,080,625.14, 1,620,938.59 and 281,905.78

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Solution

The fourth proportional to 1,080,625.14, 1,620,938.59 and 281,905.78 is: 422,858.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,625.14 : 1,620,938.59 = 281,905.78 : x
  2. Step 2: Convert to fraction form
    1,080,625.14/1,620,938.59 = 281,905.78/x
  3. Step 3: Cross multiply
    1,080,625.14x = 1,620,938.59 × 281,905.78
  4. Step 4: Simplify right side
    1,080,625.14x = 456,951,957,546.05
  5. Step 5: Solve for x
    x = 456,951,957,546.05/1,080,625.14
  6. Step 6: Final answer
    x = 422,858.90

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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.