Home / 1,787,993.85-2,467,414.38-972,197.83

Finding the Fourth Proportional to 1,787,993.85, 2,467,414.38 and 972,197.83

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Solution

The fourth proportional to 1,787,993.85, 2,467,414.38 and 972,197.83 is: 1,341,623.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,993.85 : 2,467,414.38 = 972,197.83 : x
  2. Step 2: Convert to fraction form
    1,787,993.85/2,467,414.38 = 972,197.83/x
  3. Step 3: Cross multiply
    1,787,993.85x = 2,467,414.38 × 972,197.83
  4. Step 4: Simplify right side
    1,787,993.85x = 2,398,814,909,031.06
  5. Step 5: Solve for x
    x = 2,398,814,909,031.06/1,787,993.85
  6. Step 6: Final answer
    x = 1,341,623.69

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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.