Home / 1,379,440.82-2,069,172.84-480,880.88

Finding the Fourth Proportional to 1,379,440.82, 2,069,172.84 and 480,880.88

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Solution

The fourth proportional to 1,379,440.82, 2,069,172.84 and 480,880.88 is: 721,325.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,440.82 : 2,069,172.84 = 480,880.88 : x
  2. Step 2: Convert to fraction form
    1,379,440.82/2,069,172.84 = 480,880.88/x
  3. Step 3: Cross multiply
    1,379,440.82x = 2,069,172.84 × 480,880.88
  4. Step 4: Simplify right side
    1,379,440.82x = 995,025,667,027.23
  5. Step 5: Solve for x
    x = 995,025,667,027.23/1,379,440.82
  6. Step 6: Final answer
    x = 721,325.38

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1.5x scale

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.