Home / 1,211,769.25-1,672,143.24-702,504.43

Finding the Fourth Proportional to 1,211,769.25, 1,672,143.24 and 702,504.43

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Solution

The fourth proportional to 1,211,769.25, 1,672,143.24 and 702,504.43 is: 969,399.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,769.25 : 1,672,143.24 = 702,504.43 : x
  2. Step 2: Convert to fraction form
    1,211,769.25/1,672,143.24 = 702,504.43/x
  3. Step 3: Cross multiply
    1,211,769.25x = 1,672,143.24 × 702,504.43
  4. Step 4: Simplify right side
    1,211,769.25x = 1,174,688,032,148.59
  5. Step 5: Solve for x
    x = 1,174,688,032,148.59/1,211,769.25
  6. Step 6: Final answer
    x = 969,399.11

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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.