Home / 1,258,845.72-1,737,865.26-982,611.24

Finding the Fourth Proportional to 1,258,845.72, 1,737,865.26 and 982,611.24

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Solution

The fourth proportional to 1,258,845.72, 1,737,865.26 and 982,611.24 is: 1,356,517.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,845.72 : 1,737,865.26 = 982,611.24 : x
  2. Step 2: Convert to fraction form
    1,258,845.72/1,737,865.26 = 982,611.24/x
  3. Step 3: Cross multiply
    1,258,845.72x = 1,737,865.26 × 982,611.24
  4. Step 4: Simplify right side
    1,258,845.72x = 1,707,645,938,081.52
  5. Step 5: Solve for x
    x = 1,707,645,938,081.52/1,258,845.72
  6. Step 6: Final answer
    x = 1,356,517.25

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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.