Home / 1,204,072.56-1,661,639.40-660,258

Finding the Fourth Proportional to 1,204,072.56, 1,661,639.40 and 660,258

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Solution

The fourth proportional to 1,204,072.56, 1,661,639.40 and 660,258 is: 911,166.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,072.56 : 1,661,639.40 = 660,258 : x
  2. Step 2: Convert to fraction form
    1,204,072.56/1,661,639.40 = 660,258/x
  3. Step 3: Cross multiply
    1,204,072.56x = 1,661,639.40 × 660,258
  4. Step 4: Simplify right side
    1,204,072.56x = 1,097,110,706,965.20
  5. Step 5: Solve for x
    x = 1,097,110,706,965.20/1,204,072.56
  6. Step 6: Final answer
    x = 911,166.61

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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.