Home / 1,427,874.96-2,141,819.86-481,253.88

Finding the Fourth Proportional to 1,427,874.96, 2,141,819.86 and 481,253.88

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Solution

The fourth proportional to 1,427,874.96, 2,141,819.86 and 481,253.88 is: 721,883.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,874.96 : 2,141,819.86 = 481,253.88 : x
  2. Step 2: Convert to fraction form
    1,427,874.96/2,141,819.86 = 481,253.88/x
  3. Step 3: Cross multiply
    1,427,874.96x = 2,141,819.86 × 481,253.88
  4. Step 4: Simplify right side
    1,427,874.96x = 1,030,759,117,886.06
  5. Step 5: Solve for x
    x = 1,030,759,117,886.06/1,427,874.96
  6. Step 6: Final answer
    x = 721,883.32

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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.