Home / 1,208,654.37-1,667,943.88-664,831.53

Finding the Fourth Proportional to 1,208,654.37, 1,667,943.88 and 664,831.53

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Solution

The fourth proportional to 1,208,654.37, 1,667,943.88 and 664,831.53 is: 917,467.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,654.37 : 1,667,943.88 = 664,831.53 : x
  2. Step 2: Convert to fraction form
    1,208,654.37/1,667,943.88 = 664,831.53/x
  3. Step 3: Cross multiply
    1,208,654.37x = 1,667,943.88 × 664,831.53
  4. Step 4: Simplify right side
    1,208,654.37x = 1,108,901,681,694.54
  5. Step 5: Solve for x
    x = 1,108,901,681,694.54/1,208,654.37
  6. Step 6: Final answer
    x = 917,467.98

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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.