Home / 1,991,260.32-2,986,884.24-495,352.32

Finding the Fourth Proportional to 1,991,260.32, 2,986,884.24 and 495,352.32

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Solution

The fourth proportional to 1,991,260.32, 2,986,884.24 and 495,352.32 is: 743,026.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,260.32 : 2,986,884.24 = 495,352.32 : x
  2. Step 2: Convert to fraction form
    1,991,260.32/2,986,884.24 = 495,352.32/x
  3. Step 3: Cross multiply
    1,991,260.32x = 2,986,884.24 × 495,352.32
  4. Step 4: Simplify right side
    1,991,260.32x = 1,479,560,037,855.44
  5. Step 5: Solve for x
    x = 1,479,560,037,855.44/1,991,260.32
  6. Step 6: Final answer
    x = 743,026.93

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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.