Home / 1,112,812.20-1,669,348.98-354,388.14

Finding the Fourth Proportional to 1,112,812.20, 1,669,348.98 and 354,388.14

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Solution

The fourth proportional to 1,112,812.20, 1,669,348.98 and 354,388.14 is: 531,623.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,812.20 : 1,669,348.98 = 354,388.14 : x
  2. Step 2: Convert to fraction form
    1,112,812.20/1,669,348.98 = 354,388.14/x
  3. Step 3: Cross multiply
    1,112,812.20x = 1,669,348.98 × 354,388.14
  4. Step 4: Simplify right side
    1,112,812.20x = 591,597,480,033.10
  5. Step 5: Solve for x
    x = 591,597,480,033.10/1,112,812.20
  6. Step 6: Final answer
    x = 531,623.83

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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.