Home / 1,211,769.56-1,672,143.68-702,504.74

Finding the Fourth Proportional to 1,211,769.56, 1,672,143.68 and 702,504.74

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Solution

The fourth proportional to 1,211,769.56, 1,672,143.68 and 702,504.74 is: 969,399.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,769.56 : 1,672,143.68 = 702,504.74 : x
  2. Step 2: Convert to fraction form
    1,211,769.56/1,672,143.68 = 702,504.74/x
  3. Step 3: Cross multiply
    1,211,769.56x = 1,672,143.68 × 702,504.74
  4. Step 4: Simplify right side
    1,211,769.56x = 1,174,688,861,161.04
  5. Step 5: Solve for x
    x = 1,174,688,861,161.04/1,211,769.56
  6. Step 6: Final answer
    x = 969,399.55

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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.