Home / 1,208,488.37-1,667,755.85-664,665.30

Finding the Fourth Proportional to 1,208,488.37, 1,667,755.85 and 664,665.30

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Solution

The fourth proportional to 1,208,488.37, 1,667,755.85 and 664,665.30 is: 917,261.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,488.37 : 1,667,755.85 = 664,665.30 : x
  2. Step 2: Convert to fraction form
    1,208,488.37/1,667,755.85 = 664,665.30/x
  3. Step 3: Cross multiply
    1,208,488.37x = 1,667,755.85 × 664,665.30
  4. Step 4: Simplify right side
    1,208,488.37x = 1,108,499,439,043.68
  5. Step 5: Solve for x
    x = 1,108,499,439,043.68/1,208,488.37
  6. Step 6: Final answer
    x = 917,261.16

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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.