Home / 1,293,415.88-1,940,954.22-867,432.78

Finding the Fourth Proportional to 1,293,415.88, 1,940,954.22 and 867,432.78

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Solution

The fourth proportional to 1,293,415.88, 1,940,954.22 and 867,432.78 is: 1,301,706.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,415.88 : 1,940,954.22 = 867,432.78 : x
  2. Step 2: Convert to fraction form
    1,293,415.88/1,940,954.22 = 867,432.78/x
  3. Step 3: Cross multiply
    1,293,415.88x = 1,940,954.22 × 867,432.78
  4. Step 4: Simplify right side
    1,293,415.88x = 1,683,647,314,907.33
  5. Step 5: Solve for x
    x = 1,683,647,314,907.33/1,293,415.88
  6. Step 6: Final answer
    x = 1,301,706.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.