Home / 1,242,842.16-1,863,082.20-792,298.44

Finding the Fourth Proportional to 1,242,842.16, 1,863,082.20 and 792,298.44

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Solution

The fourth proportional to 1,242,842.16, 1,863,082.20 and 792,298.44 is: 1,187,694.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,842.16 : 1,863,082.20 = 792,298.44 : x
  2. Step 2: Convert to fraction form
    1,242,842.16/1,863,082.20 = 792,298.44/x
  3. Step 3: Cross multiply
    1,242,842.16x = 1,863,082.20 × 792,298.44
  4. Step 4: Simplify right side
    1,242,842.16x = 1,476,117,120,651.77
  5. Step 5: Solve for x
    x = 1,476,117,120,651.77/1,242,842.16
  6. Step 6: Final answer
    x = 1,187,694.76

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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.