Home / 1,208,258.64-1,667,503.17-664,490.25

Finding the Fourth Proportional to 1,208,258.64, 1,667,503.17 and 664,490.25

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Solution

The fourth proportional to 1,208,258.64, 1,667,503.17 and 664,490.25 is: 917,054.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,258.64 : 1,667,503.17 = 664,490.25 : x
  2. Step 2: Convert to fraction form
    1,208,258.64/1,667,503.17 = 664,490.25/x
  3. Step 3: Cross multiply
    1,208,258.64x = 1,667,503.17 × 664,490.25
  4. Step 4: Simplify right side
    1,208,258.64x = 1,108,039,598,309.09
  5. Step 5: Solve for x
    x = 1,108,039,598,309.09/1,208,258.64
  6. Step 6: Final answer
    x = 917,054.98

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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.