Home / 1,394,212.16-1,922,928.10-1,008,474.57

Finding the Fourth Proportional to 1,394,212.16, 1,922,928.10 and 1,008,474.57

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Solution

The fourth proportional to 1,394,212.16, 1,922,928.10 and 1,008,474.57 is: 1,390,910.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,212.16 : 1,922,928.10 = 1,008,474.57 : x
  2. Step 2: Convert to fraction form
    1,394,212.16/1,922,928.10 = 1,008,474.57/x
  3. Step 3: Cross multiply
    1,394,212.16x = 1,922,928.10 × 1,008,474.57
  4. Step 4: Simplify right side
    1,394,212.16x = 1,939,224,086,267.23
  5. Step 5: Solve for x
    x = 1,939,224,086,267.23/1,394,212.16
  6. Step 6: Final answer
    x = 1,390,910.32

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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.