Home / 1,690,163.34-2,332,443.78-926,200.50

Finding the Fourth Proportional to 1,690,163.34, 2,332,443.78 and 926,200.50

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Solution

The fourth proportional to 1,690,163.34, 2,332,443.78 and 926,200.50 is: 1,278,166.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,163.34 : 2,332,443.78 = 926,200.50 : x
  2. Step 2: Convert to fraction form
    1,690,163.34/2,332,443.78 = 926,200.50/x
  3. Step 3: Cross multiply
    1,690,163.34x = 2,332,443.78 × 926,200.50
  4. Step 4: Simplify right side
    1,690,163.34x = 2,160,310,595,257.89
  5. Step 5: Solve for x
    x = 2,160,310,595,257.89/1,690,163.34
  6. Step 6: Final answer
    x = 1,278,166.76

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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.