Home / 1,791,410.30-2,687,115.45-1,081,072.70

Finding the Fourth Proportional to 1,791,410.30, 2,687,115.45 and 1,081,072.70

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Solution

The fourth proportional to 1,791,410.30, 2,687,115.45 and 1,081,072.70 is: 1,621,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,410.30 : 2,687,115.45 = 1,081,072.70 : x
  2. Step 2: Convert to fraction form
    1,791,410.30/2,687,115.45 = 1,081,072.70/x
  3. Step 3: Cross multiply
    1,791,410.30x = 2,687,115.45 × 1,081,072.70
  4. Step 4: Simplify right side
    1,791,410.30x = 2,904,967,154,743.22
  5. Step 5: Solve for x
    x = 2,904,967,154,743.22/1,791,410.30
  6. Step 6: Final answer
    x = 1,621,609.05

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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.