Home / 1,163,834.20-1,606,311.66-728,453.44

Finding the Fourth Proportional to 1,163,834.20, 1,606,311.66 and 728,453.44

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Solution

The fourth proportional to 1,163,834.20, 1,606,311.66 and 728,453.44 is: 1,005,403.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,834.20 : 1,606,311.66 = 728,453.44 : x
  2. Step 2: Convert to fraction form
    1,163,834.20/1,606,311.66 = 728,453.44/x
  3. Step 3: Cross multiply
    1,163,834.20x = 1,606,311.66 × 728,453.44
  4. Step 4: Simplify right side
    1,163,834.20x = 1,170,123,254,439.11
  5. Step 5: Solve for x
    x = 1,170,123,254,439.11/1,163,834.20
  6. Step 6: Final answer
    x = 1,005,403.74

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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.