Home / 1,211,989.62-1,672,541.38-702,982.38

Finding the Fourth Proportional to 1,211,989.62, 1,672,541.38 and 702,982.38

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Solution

The fourth proportional to 1,211,989.62, 1,672,541.38 and 702,982.38 is: 970,113.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,989.62 : 1,672,541.38 = 702,982.38 : x
  2. Step 2: Convert to fraction form
    1,211,989.62/1,672,541.38 = 702,982.38/x
  3. Step 3: Cross multiply
    1,211,989.62x = 1,672,541.38 × 702,982.38
  4. Step 4: Simplify right side
    1,211,989.62x = 1,175,767,119,960.88
  5. Step 5: Solve for x
    x = 1,175,767,119,960.88/1,211,989.62
  6. Step 6: Final answer
    x = 970,113.19

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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.