Home / 1,362,293.25-1,879,965.30-789,665.58

Finding the Fourth Proportional to 1,362,293.25, 1,879,965.30 and 789,665.58

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Solution

The fourth proportional to 1,362,293.25, 1,879,965.30 and 789,665.58 is: 1,089,738.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,293.25 : 1,879,965.30 = 789,665.58 : x
  2. Step 2: Convert to fraction form
    1,362,293.25/1,879,965.30 = 789,665.58/x
  3. Step 3: Cross multiply
    1,362,293.25x = 1,879,965.30 × 789,665.58
  4. Step 4: Simplify right side
    1,362,293.25x = 1,484,543,889,004.37
  5. Step 5: Solve for x
    x = 1,484,543,889,004.37/1,362,293.25
  6. Step 6: Final answer
    x = 1,089,738.86

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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.