Home / 1,362,260.28-1,879,919.60-789,632.58

Finding the Fourth Proportional to 1,362,260.28, 1,879,919.60 and 789,632.58

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Solution

The fourth proportional to 1,362,260.28, 1,879,919.60 and 789,632.58 is: 1,089,693.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,260.28 : 1,879,919.60 = 789,632.58 : x
  2. Step 2: Convert to fraction form
    1,362,260.28/1,879,919.60 = 789,632.58/x
  3. Step 3: Cross multiply
    1,362,260.28x = 1,879,919.60 × 789,632.58
  4. Step 4: Simplify right side
    1,362,260.28x = 1,484,445,759,992.41
  5. Step 5: Solve for x
    x = 1,484,445,759,992.41/1,362,260.28
  6. Step 6: Final answer
    x = 1,089,693.20

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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.