Home / 1,362,081.76-1,879,672.74-789,454.08

Finding the Fourth Proportional to 1,362,081.76, 1,879,672.74 and 789,454.08

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Solution

The fourth proportional to 1,362,081.76, 1,879,672.74 and 789,454.08 is: 1,089,446.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,081.76 : 1,879,672.74 = 789,454.08 : x
  2. Step 2: Convert to fraction form
    1,362,081.76/1,879,672.74 = 789,454.08/x
  3. Step 3: Cross multiply
    1,362,081.76x = 1,879,672.74 × 789,454.08
  4. Step 4: Simplify right side
    1,362,081.76x = 1,483,915,310,697.33
  5. Step 5: Solve for x
    x = 1,483,915,310,697.33/1,362,081.76
  6. Step 6: Final answer
    x = 1,089,446.58

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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.