Home / 1,212,234.64-1,672,857.48-702,984.40

Finding the Fourth Proportional to 1,212,234.64, 1,672,857.48 and 702,984.40

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Solution

The fourth proportional to 1,212,234.64, 1,672,857.48 and 702,984.40 is: 970,103.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,234.64 : 1,672,857.48 = 702,984.40 : x
  2. Step 2: Convert to fraction form
    1,212,234.64/1,672,857.48 = 702,984.40/x
  3. Step 3: Cross multiply
    1,212,234.64x = 1,672,857.48 × 702,984.40
  4. Step 4: Simplify right side
    1,212,234.64x = 1,175,992,711,863.31
  5. Step 5: Solve for x
    x = 1,175,992,711,863.31/1,212,234.64
  6. Step 6: Final answer
    x = 970,103.21

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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.