Home / 1,030,163.32-1,421,145.70-667,704.52

Finding the Fourth Proportional to 1,030,163.32, 1,421,145.70 and 667,704.52

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Solution

The fourth proportional to 1,030,163.32, 1,421,145.70 and 667,704.52 is: 921,121.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,030,163.32 : 1,421,145.70 = 667,704.52 : x
  2. Step 2: Convert to fraction form
    1,030,163.32/1,421,145.70 = 667,704.52/x
  3. Step 3: Cross multiply
    1,030,163.32x = 1,421,145.70 × 667,704.52
  4. Step 4: Simplify right side
    1,030,163.32x = 948,905,407,468.56
  5. Step 5: Solve for x
    x = 948,905,407,468.56/1,030,163.32
  6. Step 6: Final answer
    x = 921,121.33

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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.