Home / 1,434,144.26-1,979,080.80-789,569.30

Finding the Fourth Proportional to 1,434,144.26, 1,979,080.80 and 789,569.30

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Solution

The fourth proportional to 1,434,144.26, 1,979,080.80 and 789,569.30 is: 1,089,584.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,144.26 : 1,979,080.80 = 789,569.30 : x
  2. Step 2: Convert to fraction form
    1,434,144.26/1,979,080.80 = 789,569.30/x
  3. Step 3: Cross multiply
    1,434,144.26x = 1,979,080.80 × 789,569.30
  4. Step 4: Simplify right side
    1,434,144.26x = 1,562,621,441,899.44
  5. Step 5: Solve for x
    x = 1,562,621,441,899.44/1,434,144.26
  6. Step 6: Final answer
    x = 1,089,584.56

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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.