Home / 1,115,310.03-1,672,961.69-316,592.25

Finding the Fourth Proportional to 1,115,310.03, 1,672,961.69 and 316,592.25

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Solution

The fourth proportional to 1,115,310.03, 1,672,961.69 and 316,592.25 is: 474,887.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,310.03 : 1,672,961.69 = 316,592.25 : x
  2. Step 2: Convert to fraction form
    1,115,310.03/1,672,961.69 = 316,592.25/x
  3. Step 3: Cross multiply
    1,115,310.03x = 1,672,961.69 × 316,592.25
  4. Step 4: Simplify right side
    1,115,310.03x = 529,646,704,017.94
  5. Step 5: Solve for x
    x = 529,646,704,017.94/1,115,310.03
  6. Step 6: Final answer
    x = 474,887.42

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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.