Home / 1,208,415.85-1,667,580.60-664,551.64

Finding the Fourth Proportional to 1,208,415.85, 1,667,580.60 and 664,551.64

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Solution

The fourth proportional to 1,208,415.85, 1,667,580.60 and 664,551.64 is: 917,062.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,415.85 : 1,667,580.60 = 664,551.64 : x
  2. Step 2: Convert to fraction form
    1,208,415.85/1,667,580.60 = 664,551.64/x
  3. Step 3: Cross multiply
    1,208,415.85x = 1,667,580.60 × 664,551.64
  4. Step 4: Simplify right side
    1,208,415.85x = 1,108,193,422,562.18
  5. Step 5: Solve for x
    x = 1,108,193,422,562.18/1,208,415.85
  6. Step 6: Final answer
    x = 917,062.97

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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.