Home / 1,242,882.16-1,863,142.08-792,338.56

Finding the Fourth Proportional to 1,242,882.16, 1,863,142.08 and 792,338.56

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Solution

The fourth proportional to 1,242,882.16, 1,863,142.08 and 792,338.56 is: 1,187,754.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,882.16 : 1,863,142.08 = 792,338.56 : x
  2. Step 2: Convert to fraction form
    1,242,882.16/1,863,142.08 = 792,338.56/x
  3. Step 3: Cross multiply
    1,242,882.16x = 1,863,142.08 × 792,338.56
  4. Step 4: Simplify right side
    1,242,882.16x = 1,476,239,312,742.61
  5. Step 5: Solve for x
    x = 1,476,239,312,742.61/1,242,882.16
  6. Step 6: Final answer
    x = 1,187,754.85

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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.