Home / 1,422,613.88-2,133,918.39-664,201.16

Finding the Fourth Proportional to 1,422,613.88, 2,133,918.39 and 664,201.16

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Solution

The fourth proportional to 1,422,613.88, 2,133,918.39 and 664,201.16 is: 996,300.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,613.88 : 2,133,918.39 = 664,201.16 : x
  2. Step 2: Convert to fraction form
    1,422,613.88/2,133,918.39 = 664,201.16/x
  3. Step 3: Cross multiply
    1,422,613.88x = 2,133,918.39 × 664,201.16
  4. Step 4: Simplify right side
    1,422,613.88x = 1,417,351,069,983.33
  5. Step 5: Solve for x
    x = 1,417,351,069,983.33/1,422,613.88
  6. Step 6: Final answer
    x = 996,300.61

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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.