Home / 1,689,073.28-2,330,958.90-963,906.56

Finding the Fourth Proportional to 1,689,073.28, 2,330,958.90 and 963,906.56

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Solution

The fourth proportional to 1,689,073.28, 2,330,958.90 and 963,906.56 is: 1,330,212.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,073.28 : 2,330,958.90 = 963,906.56 : x
  2. Step 2: Convert to fraction form
    1,689,073.28/2,330,958.90 = 963,906.56/x
  3. Step 3: Cross multiply
    1,689,073.28x = 2,330,958.90 × 963,906.56
  4. Step 4: Simplify right side
    1,689,073.28x = 2,246,826,574,800.38
  5. Step 5: Solve for x
    x = 2,246,826,574,800.38/1,689,073.28
  6. Step 6: Final answer
    x = 1,330,212.61

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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.