Home / 1,157,974.92-1,739,632.14-1,110,145.80

Finding the Fourth Proportional to 1,157,974.92, 1,739,632.14 and 1,110,145.80

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Solution

The fourth proportional to 1,157,974.92, 1,739,632.14 and 1,110,145.80 is: 1,667,778.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,974.92 : 1,739,632.14 = 1,110,145.80 : x
  2. Step 2: Convert to fraction form
    1,157,974.92/1,739,632.14 = 1,110,145.80/x
  3. Step 3: Cross multiply
    1,157,974.92x = 1,739,632.14 × 1,110,145.80
  4. Step 4: Simplify right side
    1,157,974.92x = 1,931,245,313,766.01
  5. Step 5: Solve for x
    x = 1,931,245,313,766.01/1,157,974.92
  6. Step 6: Final answer
    x = 1,667,778.19

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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.