Home / 872,540.10-1,309,794.30-673,741.80

Finding the Fourth Proportional to 872,540.10, 1,309,794.30 and 673,741.80

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Solution

The fourth proportional to 872,540.10, 1,309,794.30 and 673,741.80 is: 1,011,372.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,540.10 : 1,309,794.30 = 673,741.80 : x
  2. Step 2: Convert to fraction form
    872,540.10/1,309,794.30 = 673,741.80/x
  3. Step 3: Cross multiply
    872,540.10x = 1,309,794.30 × 673,741.80
  4. Step 4: Simplify right side
    872,540.10x = 882,463,169,311.74
  5. Step 5: Solve for x
    x = 882,463,169,311.74/872,540.10
  6. Step 6: Final answer
    x = 1,011,372.62

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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.