Home / 837,960.81-1,256,943.80-206,874.69

Finding the Fourth Proportional to 837,960.81, 1,256,943.80 and 206,874.69

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Solution

The fourth proportional to 837,960.81, 1,256,943.80 and 206,874.69 is: 310,312.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,960.81 : 1,256,943.80 = 206,874.69 : x
  2. Step 2: Convert to fraction form
    837,960.81/1,256,943.80 = 206,874.69/x
  3. Step 3: Cross multiply
    837,960.81x = 1,256,943.80 × 206,874.69
  4. Step 4: Simplify right side
    837,960.81x = 260,029,858,972.42
  5. Step 5: Solve for x
    x = 260,029,858,972.42/837,960.81
  6. Step 6: Final answer
    x = 310,312.67

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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.