Home / 1,433,315.88-2,149,629.37-422,164.64

Finding the Fourth Proportional to 1,433,315.88, 2,149,629.37 and 422,164.64

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Solution

The fourth proportional to 1,433,315.88, 2,149,629.37 and 422,164.64 is: 633,145.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,315.88 : 2,149,629.37 = 422,164.64 : x
  2. Step 2: Convert to fraction form
    1,433,315.88/2,149,629.37 = 422,164.64/x
  3. Step 3: Cross multiply
    1,433,315.88x = 2,149,629.37 × 422,164.64
  4. Step 4: Simplify right side
    1,433,315.88x = 907,497,513,438.14
  5. Step 5: Solve for x
    x = 907,497,513,438.14/1,433,315.88
  6. Step 6: Final answer
    x = 633,145.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.