Home / 1,479,921.82-2,042,292.11-800,858.32

Finding the Fourth Proportional to 1,479,921.82, 2,042,292.11 and 800,858.32

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Solution

The fourth proportional to 1,479,921.82, 2,042,292.11 and 800,858.32 is: 1,105,184.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,921.82 : 2,042,292.11 = 800,858.32 : x
  2. Step 2: Convert to fraction form
    1,479,921.82/2,042,292.11 = 800,858.32/x
  3. Step 3: Cross multiply
    1,479,921.82x = 2,042,292.11 × 800,858.32
  4. Step 4: Simplify right side
    1,479,921.82x = 1,635,586,628,163.86
  5. Step 5: Solve for x
    x = 1,635,586,628,163.86/1,479,921.82
  6. Step 6: Final answer
    x = 1,105,184.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.