Home / 1,362,488.32-1,880,232.96-789,860.80

Finding the Fourth Proportional to 1,362,488.32, 1,880,232.96 and 789,860.80

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Solution

The fourth proportional to 1,362,488.32, 1,880,232.96 and 789,860.80 is: 1,090,007.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,488.32 : 1,880,232.96 = 789,860.80 : x
  2. Step 2: Convert to fraction form
    1,362,488.32/1,880,232.96 = 789,860.80/x
  3. Step 3: Cross multiply
    1,362,488.32x = 1,880,232.96 × 789,860.80
  4. Step 4: Simplify right side
    1,362,488.32x = 1,485,122,309,971.97
  5. Step 5: Solve for x
    x = 1,485,122,309,971.97/1,362,488.32
  6. Step 6: Final answer
    x = 1,090,007.37

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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.