Home / 1,362,542.82-1,880,309.65-789,914.98

Finding the Fourth Proportional to 1,362,542.82, 1,880,309.65 and 789,914.98

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Solution

The fourth proportional to 1,362,542.82, 1,880,309.65 and 789,914.98 is: 1,090,083.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,542.82 : 1,880,309.65 = 789,914.98 : x
  2. Step 2: Convert to fraction form
    1,362,542.82/1,880,309.65 = 789,914.98/x
  3. Step 3: Cross multiply
    1,362,542.82x = 1,880,309.65 × 789,914.98
  4. Step 4: Simplify right side
    1,362,542.82x = 1,485,284,759,573.56
  5. Step 5: Solve for x
    x = 1,485,284,759,573.56/1,362,542.82
  6. Step 6: Final answer
    x = 1,090,083.00

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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.