Home / 1,362,077.54-1,879,666.91-789,449.86

Finding the Fourth Proportional to 1,362,077.54, 1,879,666.91 and 789,449.86

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Solution

The fourth proportional to 1,362,077.54, 1,879,666.91 and 789,449.86 is: 1,089,440.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,077.54 : 1,879,666.91 = 789,449.86 : x
  2. Step 2: Convert to fraction form
    1,362,077.54/1,879,666.91 = 789,449.86/x
  3. Step 3: Cross multiply
    1,362,077.54x = 1,879,666.91 × 789,449.86
  4. Step 4: Simplify right side
    1,362,077.54x = 1,483,902,784,749.56
  5. Step 5: Solve for x
    x = 1,483,902,784,749.56/1,362,077.54
  6. Step 6: Final answer
    x = 1,089,440.76

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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.