Home / 1,690,188.60-2,332,478.62-926,225.76

Finding the Fourth Proportional to 1,690,188.60, 2,332,478.62 and 926,225.76

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Solution

The fourth proportional to 1,690,188.60, 2,332,478.62 and 926,225.76 is: 1,278,201.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,188.60 : 2,332,478.62 = 926,225.76 : x
  2. Step 2: Convert to fraction form
    1,690,188.60/2,332,478.62 = 926,225.76/x
  3. Step 3: Cross multiply
    1,690,188.60x = 2,332,478.62 × 926,225.76
  4. Step 4: Simplify right side
    1,690,188.60x = 2,160,401,782,493.25
  5. Step 5: Solve for x
    x = 2,160,401,782,493.25/1,690,188.60
  6. Step 6: Final answer
    x = 1,278,201.61

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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.