Home / 1,112,917-1,669,591.96-473,213.38

Finding the Fourth Proportional to 1,112,917, 1,669,591.96 and 473,213.38

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Solution

The fourth proportional to 1,112,917, 1,669,591.96 and 473,213.38 is: 709,912.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,917 : 1,669,591.96 = 473,213.38 : x
  2. Step 2: Convert to fraction form
    1,112,917/1,669,591.96 = 473,213.38/x
  3. Step 3: Cross multiply
    1,112,917x = 1,669,591.96 × 473,213.38
  4. Step 4: Simplify right side
    1,112,917x = 790,073,254,612.43
  5. Step 5: Solve for x
    x = 790,073,254,612.43/1,112,917
  6. Step 6: Final answer
    x = 709,912.11

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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.