Home / 1,089,358.20-1,503,292.71-605,912.94

Finding the Fourth Proportional to 1,089,358.20, 1,503,292.71 and 605,912.94

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Solution

The fourth proportional to 1,089,358.20, 1,503,292.71 and 605,912.94 is: 836,147.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,358.20 : 1,503,292.71 = 605,912.94 : x
  2. Step 2: Convert to fraction form
    1,089,358.20/1,503,292.71 = 605,912.94/x
  3. Step 3: Cross multiply
    1,089,358.20x = 1,503,292.71 × 605,912.94
  4. Step 4: Simplify right side
    1,089,358.20x = 910,864,505,596.67
  5. Step 5: Solve for x
    x = 910,864,505,596.67/1,089,358.20
  6. Step 6: Final answer
    x = 836,147.84

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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.