Home / 1,368,538.72-2,052,107.16-729,206.80

Finding the Fourth Proportional to 1,368,538.72, 2,052,107.16 and 729,206.80

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Solution

The fourth proportional to 1,368,538.72, 2,052,107.16 and 729,206.80 is: 1,093,436.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,538.72 : 2,052,107.16 = 729,206.80 : x
  2. Step 2: Convert to fraction form
    1,368,538.72/2,052,107.16 = 729,206.80/x
  3. Step 3: Cross multiply
    1,368,538.72x = 2,052,107.16 × 729,206.80
  4. Step 4: Simplify right side
    1,368,538.72x = 1,496,410,495,400.69
  5. Step 5: Solve for x
    x = 1,496,410,495,400.69/1,368,538.72
  6. Step 6: Final answer
    x = 1,093,436.72

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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.