Home / 1,204,073.06-1,661,640.09-660,258.50

Finding the Fourth Proportional to 1,204,073.06, 1,661,640.09 and 660,258.50

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Solution

The fourth proportional to 1,204,073.06, 1,661,640.09 and 660,258.50 is: 911,167.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,073.06 : 1,661,640.09 = 660,258.50 : x
  2. Step 2: Convert to fraction form
    1,204,073.06/1,661,640.09 = 660,258.50/x
  3. Step 3: Cross multiply
    1,204,073.06x = 1,661,640.09 × 660,258.50
  4. Step 4: Simplify right side
    1,204,073.06x = 1,097,111,993,363.27
  5. Step 5: Solve for x
    x = 1,097,111,993,363.27/1,204,073.06
  6. Step 6: Final answer
    x = 911,167.30

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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.