Home / 940,854.20-1,409,207.70-816,438.20

Finding the Fourth Proportional to 940,854.20, 1,409,207.70 and 816,438.20

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Solution

The fourth proportional to 940,854.20, 1,409,207.70 and 816,438.20 is: 1,222,857.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,854.20 : 1,409,207.70 = 816,438.20 : x
  2. Step 2: Convert to fraction form
    940,854.20/1,409,207.70 = 816,438.20/x
  3. Step 3: Cross multiply
    940,854.20x = 1,409,207.70 × 816,438.20
  4. Step 4: Simplify right side
    940,854.20x = 1,150,530,998,014.14
  5. Step 5: Solve for x
    x = 1,150,530,998,014.14/940,854.20
  6. Step 6: Final answer
    x = 1,222,857.91

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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.