Home / 1,217,244.28-1,679,766.78-673,410.28

Finding the Fourth Proportional to 1,217,244.28, 1,679,766.78 and 673,410.28

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Solution

The fourth proportional to 1,217,244.28, 1,679,766.78 and 673,410.28 is: 929,289.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,244.28 : 1,679,766.78 = 673,410.28 : x
  2. Step 2: Convert to fraction form
    1,217,244.28/1,679,766.78 = 673,410.28/x
  3. Step 3: Cross multiply
    1,217,244.28x = 1,679,766.78 × 673,410.28
  4. Step 4: Simplify right side
    1,217,244.28x = 1,131,172,217,654.50
  5. Step 5: Solve for x
    x = 1,131,172,217,654.50/1,217,244.28
  6. Step 6: Final answer
    x = 929,289.41

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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.