Home / 1,208,469.73-1,667,654.97-664,605.55

Finding the Fourth Proportional to 1,208,469.73, 1,667,654.97 and 664,605.55

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Solution

The fourth proportional to 1,208,469.73, 1,667,654.97 and 664,605.55 is: 917,137.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,469.73 : 1,667,654.97 = 664,605.55 : x
  2. Step 2: Convert to fraction form
    1,208,469.73/1,667,654.97 = 664,605.55/x
  3. Step 3: Cross multiply
    1,208,469.73x = 1,667,654.97 × 664,605.55
  4. Step 4: Simplify right side
    1,208,469.73x = 1,108,332,748,547.08
  5. Step 5: Solve for x
    x = 1,108,332,748,547.08/1,208,469.73
  6. Step 6: Final answer
    x = 917,137.37

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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.