Home / 1,115,310.78-1,672,962.81-316,593

Finding the Fourth Proportional to 1,115,310.78, 1,672,962.81 and 316,593

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Solution

The fourth proportional to 1,115,310.78, 1,672,962.81 and 316,593 is: 474,888.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,310.78 : 1,672,962.81 = 316,593 : x
  2. Step 2: Convert to fraction form
    1,115,310.78/1,672,962.81 = 316,593/x
  3. Step 3: Cross multiply
    1,115,310.78x = 1,672,962.81 × 316,593
  4. Step 4: Simplify right side
    1,115,310.78x = 529,648,314,906.33
  5. Step 5: Solve for x
    x = 529,648,314,906.33/1,115,310.78
  6. Step 6: Final answer
    x = 474,888.55

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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.