Home / 1,479,954.32-2,042,342.08-800,890.64

Finding the Fourth Proportional to 1,479,954.32, 2,042,342.08 and 800,890.64

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Solution

The fourth proportional to 1,479,954.32, 2,042,342.08 and 800,890.64 is: 1,105,231.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,954.32 : 2,042,342.08 = 800,890.64 : x
  2. Step 2: Convert to fraction form
    1,479,954.32/2,042,342.08 = 800,890.64/x
  3. Step 3: Cross multiply
    1,479,954.32x = 2,042,342.08 × 800,890.64
  4. Step 4: Simplify right side
    1,479,954.32x = 1,635,692,655,550.13
  5. Step 5: Solve for x
    x = 1,635,692,655,550.13/1,479,954.32
  6. Step 6: Final answer
    x = 1,105,231.85

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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.