Home / 1,225,173.13-1,690,758.87-673,910.62

Finding the Fourth Proportional to 1,225,173.13, 1,690,758.87 and 673,910.62

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Solution

The fourth proportional to 1,225,173.13, 1,690,758.87 and 673,910.62 is: 930,007.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,173.13 : 1,690,758.87 = 673,910.62 : x
  2. Step 2: Convert to fraction form
    1,225,173.13/1,690,758.87 = 673,910.62/x
  3. Step 3: Cross multiply
    1,225,173.13x = 1,690,758.87 × 673,910.62
  4. Step 4: Simplify right side
    1,225,173.13x = 1,139,420,351,598.14
  5. Step 5: Solve for x
    x = 1,139,420,351,598.14/1,225,173.13
  6. Step 6: Final answer
    x = 930,007.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.