Home / 1,362,481.32-1,880,224.74-789,853.44

Finding the Fourth Proportional to 1,362,481.32, 1,880,224.74 and 789,853.44

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Solution

The fourth proportional to 1,362,481.32, 1,880,224.74 and 789,853.44 is: 1,089,998.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,481.32 : 1,880,224.74 = 789,853.44 : x
  2. Step 2: Convert to fraction form
    1,362,481.32/1,880,224.74 = 789,853.44/x
  3. Step 3: Cross multiply
    1,362,481.32x = 1,880,224.74 × 789,853.44
  4. Step 4: Simplify right side
    1,362,481.32x = 1,485,101,978,862.11
  5. Step 5: Solve for x
    x = 1,485,101,978,862.11/1,362,481.32
  6. Step 6: Final answer
    x = 1,089,998.05

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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.