Home / 1,081,620.75-1,492,836.30-694,919.58

Finding the Fourth Proportional to 1,081,620.75, 1,492,836.30 and 694,919.58

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Solution

The fourth proportional to 1,081,620.75, 1,492,836.30 and 694,919.58 is: 959,117.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,620.75 : 1,492,836.30 = 694,919.58 : x
  2. Step 2: Convert to fraction form
    1,081,620.75/1,492,836.30 = 694,919.58/x
  3. Step 3: Cross multiply
    1,081,620.75x = 1,492,836.30 × 694,919.58
  4. Step 4: Simplify right side
    1,081,620.75x = 1,037,401,174,604.75
  5. Step 5: Solve for x
    x = 1,037,401,174,604.75/1,081,620.75
  6. Step 6: Final answer
    x = 959,117.30

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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.