Home / 1,208,443.54-1,667,618.78-664,579.27

Finding the Fourth Proportional to 1,208,443.54, 1,667,618.78 and 664,579.27

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Solution

The fourth proportional to 1,208,443.54, 1,667,618.78 and 664,579.27 is: 917,101.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,443.54 : 1,667,618.78 = 664,579.27 : x
  2. Step 2: Convert to fraction form
    1,208,443.54/1,667,618.78 = 664,579.27/x
  3. Step 3: Cross multiply
    1,208,443.54x = 1,667,618.78 × 664,579.27
  4. Step 4: Simplify right side
    1,208,443.54x = 1,108,264,871,450.69
  5. Step 5: Solve for x
    x = 1,108,264,871,450.69/1,208,443.54
  6. Step 6: Final answer
    x = 917,101.08

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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.