Home / 1,540,429.65-2,125,629.32-851,992.11

Finding the Fourth Proportional to 1,540,429.65, 2,125,629.32 and 851,992.11

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Solution

The fourth proportional to 1,540,429.65, 2,125,629.32 and 851,992.11 is: 1,175,658.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,429.65 : 2,125,629.32 = 851,992.11 : x
  2. Step 2: Convert to fraction form
    1,540,429.65/2,125,629.32 = 851,992.11/x
  3. Step 3: Cross multiply
    1,540,429.65x = 2,125,629.32 × 851,992.11
  4. Step 4: Simplify right side
    1,540,429.65x = 1,811,019,405,164.70
  5. Step 5: Solve for x
    x = 1,811,019,405,164.70/1,540,429.65
  6. Step 6: Final answer
    x = 1,175,658.63

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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.