Home / 1,992,188.24-2,986,506.72-729,720.32

Finding the Fourth Proportional to 1,992,188.24, 2,986,506.72 and 729,720.32

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Solution

The fourth proportional to 1,992,188.24, 2,986,506.72 and 729,720.32 is: 1,093,930.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,188.24 : 2,986,506.72 = 729,720.32 : x
  2. Step 2: Convert to fraction form
    1,992,188.24/2,986,506.72 = 729,720.32/x
  3. Step 3: Cross multiply
    1,992,188.24x = 2,986,506.72 × 729,720.32
  4. Step 4: Simplify right side
    1,992,188.24x = 2,179,314,639,400.55
  5. Step 5: Solve for x
    x = 2,179,314,639,400.55/1,992,188.24
  6. Step 6: Final answer
    x = 1,093,930.08

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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.