Home / 787,286.16-1,174,786.40-702,462.96

Finding the Fourth Proportional to 787,286.16, 1,174,786.40 and 702,462.96

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Solution

The fourth proportional to 787,286.16, 1,174,786.40 and 702,462.96 is: 1,048,213.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,286.16 : 1,174,786.40 = 702,462.96 : x
  2. Step 2: Convert to fraction form
    787,286.16/1,174,786.40 = 702,462.96/x
  3. Step 3: Cross multiply
    787,286.16x = 1,174,786.40 × 702,462.96
  4. Step 4: Simplify right side
    787,286.16x = 825,243,933,667.90
  5. Step 5: Solve for x
    x = 825,243,933,667.90/787,286.16
  6. Step 6: Final answer
    x = 1,048,213.44

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.