Home / 1,338,378.42-2,007,568.92-1,101,222.57

Finding the Fourth Proportional to 1,338,378.42, 2,007,568.92 and 1,101,222.57

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Solution

The fourth proportional to 1,338,378.42, 2,007,568.92 and 1,101,222.57 is: 1,651,834.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,378.42 : 2,007,568.92 = 1,101,222.57 : x
  2. Step 2: Convert to fraction form
    1,338,378.42/2,007,568.92 = 1,101,222.57/x
  3. Step 3: Cross multiply
    1,338,378.42x = 2,007,568.92 × 1,101,222.57
  4. Step 4: Simplify right side
    1,338,378.42x = 2,210,780,205,534.52
  5. Step 5: Solve for x
    x = 2,210,780,205,534.52/1,338,378.42
  6. Step 6: Final answer
    x = 1,651,834.92

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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.