Home / 1,208,130.73-1,667,175.55-664,234.14

Finding the Fourth Proportional to 1,208,130.73, 1,667,175.55 and 664,234.14

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Solution

The fourth proportional to 1,208,130.73, 1,667,175.55 and 664,234.14 is: 916,618.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,130.73 : 1,667,175.55 = 664,234.14 : x
  2. Step 2: Convert to fraction form
    1,208,130.73/1,667,175.55 = 664,234.14/x
  3. Step 3: Cross multiply
    1,208,130.73x = 1,667,175.55 × 664,234.14
  4. Step 4: Simplify right side
    1,208,130.73x = 1,107,394,917,683.28
  5. Step 5: Solve for x
    x = 1,107,394,917,683.28/1,208,130.73
  6. Step 6: Final answer
    x = 916,618.45

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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.