Home / 1,362,082.45-1,879,673.69-789,454.77

Finding the Fourth Proportional to 1,362,082.45, 1,879,673.69 and 789,454.77

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Solution

The fourth proportional to 1,362,082.45, 1,879,673.69 and 789,454.77 is: 1,089,447.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,082.45 : 1,879,673.69 = 789,454.77 : x
  2. Step 2: Convert to fraction form
    1,362,082.45/1,879,673.69 = 789,454.77/x
  3. Step 3: Cross multiply
    1,362,082.45x = 1,879,673.69 × 789,454.77
  4. Step 4: Simplify right side
    1,362,082.45x = 1,483,917,351,967.54
  5. Step 5: Solve for x
    x = 1,483,917,351,967.54/1,362,082.45
  6. Step 6: Final answer
    x = 1,089,447.53

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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.