Home / 1,689,134.28-2,331,043.20-963,967.56

Finding the Fourth Proportional to 1,689,134.28, 2,331,043.20 and 963,967.56

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Solution

The fourth proportional to 1,689,134.28, 2,331,043.20 and 963,967.56 is: 1,330,296.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,134.28 : 2,331,043.20 = 963,967.56 : x
  2. Step 2: Convert to fraction form
    1,689,134.28/2,331,043.20 = 963,967.56/x
  3. Step 3: Cross multiply
    1,689,134.28x = 2,331,043.20 × 963,967.56
  4. Step 4: Simplify right side
    1,689,134.28x = 2,247,050,025,758.59
  5. Step 5: Solve for x
    x = 2,247,050,025,758.59/1,689,134.28
  6. Step 6: Final answer
    x = 1,330,296.86

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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.