Home / 1,208,179.02-1,667,244.36-664,311

Finding the Fourth Proportional to 1,208,179.02, 1,667,244.36 and 664,311

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Solution

The fourth proportional to 1,208,179.02, 1,667,244.36 and 664,311 is: 916,725.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,179.02 : 1,667,244.36 = 664,311 : x
  2. Step 2: Convert to fraction form
    1,208,179.02/1,667,244.36 = 664,311/x
  3. Step 3: Cross multiply
    1,208,179.02x = 1,667,244.36 × 664,311
  4. Step 4: Simplify right side
    1,208,179.02x = 1,107,568,768,035.96
  5. Step 5: Solve for x
    x = 1,107,568,768,035.96/1,208,179.02
  6. Step 6: Final answer
    x = 916,725.71

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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.