Home / 1,392,874.65-2,089,497.87-551,229.57

Finding the Fourth Proportional to 1,392,874.65, 2,089,497.87 and 551,229.57

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Solution

The fourth proportional to 1,392,874.65, 2,089,497.87 and 551,229.57 is: 826,917.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,874.65 : 2,089,497.87 = 551,229.57 : x
  2. Step 2: Convert to fraction form
    1,392,874.65/2,089,497.87 = 551,229.57/x
  3. Step 3: Cross multiply
    1,392,874.65x = 2,089,497.87 × 551,229.57
  4. Step 4: Simplify right side
    1,392,874.65x = 1,151,793,012,396.02
  5. Step 5: Solve for x
    x = 1,151,793,012,396.02/1,392,874.65
  6. Step 6: Final answer
    x = 826,917.92

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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.