Home / 1,115,955.82-1,673,682.22-317,219.68

Finding the Fourth Proportional to 1,115,955.82, 1,673,682.22 and 317,219.68

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Solution

The fourth proportional to 1,115,955.82, 1,673,682.22 and 317,219.68 is: 475,758.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,955.82 : 1,673,682.22 = 317,219.68 : x
  2. Step 2: Convert to fraction form
    1,115,955.82/1,673,682.22 = 317,219.68/x
  3. Step 3: Cross multiply
    1,115,955.82x = 1,673,682.22 × 317,219.68
  4. Step 4: Simplify right side
    1,115,955.82x = 530,924,938,250.09
  5. Step 5: Solve for x
    x = 530,924,938,250.09/1,115,955.82
  6. Step 6: Final answer
    x = 475,758.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.