Home / 1,392,793.72-2,089,376.47-551,148.64

Finding the Fourth Proportional to 1,392,793.72, 2,089,376.47 and 551,148.64

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Solution

The fourth proportional to 1,392,793.72, 2,089,376.47 and 551,148.64 is: 826,796.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,793.72 : 2,089,376.47 = 551,148.64 : x
  2. Step 2: Convert to fraction form
    1,392,793.72/2,089,376.47 = 551,148.64/x
  3. Step 3: Cross multiply
    1,392,793.72x = 2,089,376.47 × 551,148.64
  4. Step 4: Simplify right side
    1,392,793.72x = 1,151,556,999,888.50
  5. Step 5: Solve for x
    x = 1,151,556,999,888.50/1,392,793.72
  6. Step 6: Final answer
    x = 826,796.52

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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.