Home / 1,115,297.26-1,672,942.58-316,579.48

Finding the Fourth Proportional to 1,115,297.26, 1,672,942.58 and 316,579.48

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Solution

The fourth proportional to 1,115,297.26, 1,672,942.58 and 316,579.48 is: 474,868.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,297.26 : 1,672,942.58 = 316,579.48 : x
  2. Step 2: Convert to fraction form
    1,115,297.26/1,672,942.58 = 316,579.48/x
  3. Step 3: Cross multiply
    1,115,297.26x = 1,672,942.58 × 316,579.48
  4. Step 4: Simplify right side
    1,115,297.26x = 529,619,292,046.26
  5. Step 5: Solve for x
    x = 529,619,292,046.26/1,115,297.26
  6. Step 6: Final answer
    x = 474,868.28

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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.