Home / 1,392,792.72-2,089,374.97-551,147.64

Finding the Fourth Proportional to 1,392,792.72, 2,089,374.97 and 551,147.64

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Solution

The fourth proportional to 1,392,792.72, 2,089,374.97 and 551,147.64 is: 826,795.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,792.72 : 2,089,374.97 = 551,147.64 : x
  2. Step 2: Convert to fraction form
    1,392,792.72/2,089,374.97 = 551,147.64/x
  3. Step 3: Cross multiply
    1,392,792.72x = 2,089,374.97 × 551,147.64
  4. Step 4: Simplify right side
    1,392,792.72x = 1,151,554,083,790.57
  5. Step 5: Solve for x
    x = 1,151,554,083,790.57/1,392,792.72
  6. Step 6: Final answer
    x = 826,795.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.