Home / 1,433,820.24-1,978,656.92-789,226.60

Finding the Fourth Proportional to 1,433,820.24, 1,978,656.92 and 789,226.60

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Solution

The fourth proportional to 1,433,820.24, 1,978,656.92 and 789,226.60 is: 1,089,124.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,433,820.24 : 1,978,656.92 = 789,226.60 : x
  2. Step 2: Convert to fraction form
    1,433,820.24/1,978,656.92 = 789,226.60/x
  3. Step 3: Cross multiply
    1,433,820.24x = 1,978,656.92 × 789,226.60
  4. Step 4: Simplify right side
    1,433,820.24x = 1,561,608,673,538.07
  5. Step 5: Solve for x
    x = 1,561,608,673,538.07/1,433,820.24
  6. Step 6: Final answer
    x = 1,089,124.45

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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.