Home / 1,403,410.20-2,105,115.30-504,990.60

Finding the Fourth Proportional to 1,403,410.20, 2,105,115.30 and 504,990.60

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Solution

The fourth proportional to 1,403,410.20, 2,105,115.30 and 504,990.60 is: 757,485.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,410.20 : 2,105,115.30 = 504,990.60 : x
  2. Step 2: Convert to fraction form
    1,403,410.20/2,105,115.30 = 504,990.60/x
  3. Step 3: Cross multiply
    1,403,410.20x = 2,105,115.30 × 504,990.60
  4. Step 4: Simplify right side
    1,403,410.20x = 1,063,063,438,416.18
  5. Step 5: Solve for x
    x = 1,063,063,438,416.18/1,403,410.20
  6. Step 6: Final answer
    x = 757,485.90

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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.