Home / 1,322,311.72-1,825,539.54-1,011,629.80

Finding the Fourth Proportional to 1,322,311.72, 1,825,539.54 and 1,011,629.80

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Solution

The fourth proportional to 1,322,311.72, 1,825,539.54 and 1,011,629.80 is: 1,396,622.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,311.72 : 1,825,539.54 = 1,011,629.80 : x
  2. Step 2: Convert to fraction form
    1,322,311.72/1,825,539.54 = 1,011,629.80/x
  3. Step 3: Cross multiply
    1,322,311.72x = 1,825,539.54 × 1,011,629.80
  4. Step 4: Simplify right side
    1,322,311.72x = 1,846,770,199,742.29
  5. Step 5: Solve for x
    x = 1,846,770,199,742.29/1,322,311.72
  6. Step 6: Final answer
    x = 1,396,622.42

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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.