Home / 1,419,188.12-1,961,041.45-1,010,580.57

Finding the Fourth Proportional to 1,419,188.12, 1,961,041.45 and 1,010,580.57

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Solution

The fourth proportional to 1,419,188.12, 1,961,041.45 and 1,010,580.57 is: 1,396,425.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,188.12 : 1,961,041.45 = 1,010,580.57 : x
  2. Step 2: Convert to fraction form
    1,419,188.12/1,961,041.45 = 1,010,580.57/x
  3. Step 3: Cross multiply
    1,419,188.12x = 1,961,041.45 × 1,010,580.57
  4. Step 4: Simplify right side
    1,419,188.12x = 1,981,790,393,392.43
  5. Step 5: Solve for x
    x = 1,981,790,393,392.43/1,419,188.12
  6. Step 6: Final answer
    x = 1,396,425.44

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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.