Home / 1,368,002.80-2,052,004.20-920,105.20

Finding the Fourth Proportional to 1,368,002.80, 2,052,004.20 and 920,105.20

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Solution

The fourth proportional to 1,368,002.80, 2,052,004.20 and 920,105.20 is: 1,380,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,002.80 : 2,052,004.20 = 920,105.20 : x
  2. Step 2: Convert to fraction form
    1,368,002.80/2,052,004.20 = 920,105.20/x
  3. Step 3: Cross multiply
    1,368,002.80x = 2,052,004.20 × 920,105.20
  4. Step 4: Simplify right side
    1,368,002.80x = 1,888,059,734,841.84
  5. Step 5: Solve for x
    x = 1,888,059,734,841.84/1,368,002.80
  6. Step 6: Final answer
    x = 1,380,157.80

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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.