Home / 1,107,214.20-1,660,734.90-433,164.60

Finding the Fourth Proportional to 1,107,214.20, 1,660,734.90 and 433,164.60

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Solution

The fourth proportional to 1,107,214.20, 1,660,734.90 and 433,164.60 is: 649,713.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,214.20 : 1,660,734.90 = 433,164.60 : x
  2. Step 2: Convert to fraction form
    1,107,214.20/1,660,734.90 = 433,164.60/x
  3. Step 3: Cross multiply
    1,107,214.20x = 1,660,734.90 × 433,164.60
  4. Step 4: Simplify right side
    1,107,214.20x = 719,371,568,664.54
  5. Step 5: Solve for x
    x = 719,371,568,664.54/1,107,214.20
  6. Step 6: Final answer
    x = 649,713.10

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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.