Home / 1,362,542.32-1,880,308.96-789,914.48

Finding the Fourth Proportional to 1,362,542.32, 1,880,308.96 and 789,914.48

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Solution

The fourth proportional to 1,362,542.32, 1,880,308.96 and 789,914.48 is: 1,090,082.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,542.32 : 1,880,308.96 = 789,914.48 : x
  2. Step 2: Convert to fraction form
    1,362,542.32/1,880,308.96 = 789,914.48/x
  3. Step 3: Cross multiply
    1,362,542.32x = 1,880,308.96 × 789,914.48
  4. Step 4: Simplify right side
    1,362,542.32x = 1,485,283,274,377.74
  5. Step 5: Solve for x
    x = 1,485,283,274,377.74/1,362,542.32
  6. Step 6: Final answer
    x = 1,090,082.31

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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.