Home / 1,215,784.44-1,822,181.85-682,184.43

Finding the Fourth Proportional to 1,215,784.44, 1,822,181.85 and 682,184.43

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Solution

The fourth proportional to 1,215,784.44, 1,822,181.85 and 682,184.43 is: 1,022,437.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,784.44 : 1,822,181.85 = 682,184.43 : x
  2. Step 2: Convert to fraction form
    1,215,784.44/1,822,181.85 = 682,184.43/x
  3. Step 3: Cross multiply
    1,215,784.44x = 1,822,181.85 × 682,184.43
  4. Step 4: Simplify right side
    1,215,784.44x = 1,243,064,086,698.60
  5. Step 5: Solve for x
    x = 1,243,064,086,698.60/1,215,784.44
  6. Step 6: Final answer
    x = 1,022,437.90

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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.