Home / 1,682,778.71-2,322,225.43-918,826.80

Finding the Fourth Proportional to 1,682,778.71, 2,322,225.43 and 918,826.80

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Solution

The fourth proportional to 1,682,778.71, 2,322,225.43 and 918,826.80 is: 1,267,975.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,778.71 : 2,322,225.43 = 918,826.80 : x
  2. Step 2: Convert to fraction form
    1,682,778.71/2,322,225.43 = 918,826.80/x
  3. Step 3: Cross multiply
    1,682,778.71x = 2,322,225.43 × 918,826.80
  4. Step 4: Simplify right side
    1,682,778.71x = 2,133,722,958,428.46
  5. Step 5: Solve for x
    x = 2,133,722,958,428.46/1,682,778.71
  6. Step 6: Final answer
    x = 1,267,975.97

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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.