Home / 1,208,406.18-1,667,567.27-664,541.97

Finding the Fourth Proportional to 1,208,406.18, 1,667,567.27 and 664,541.97

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Solution

The fourth proportional to 1,208,406.18, 1,667,567.27 and 664,541.97 is: 917,049.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,406.18 : 1,667,567.27 = 664,541.97 : x
  2. Step 2: Convert to fraction form
    1,208,406.18/1,667,567.27 = 664,541.97/x
  3. Step 3: Cross multiply
    1,208,406.18x = 1,667,567.27 × 664,541.97
  4. Step 4: Simplify right side
    1,208,406.18x = 1,108,168,438,713.32
  5. Step 5: Solve for x
    x = 1,108,168,438,713.32/1,208,406.18
  6. Step 6: Final answer
    x = 917,049.63

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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.