Home / 1,110,070.20-1,664,522.10-399,991.80

Finding the Fourth Proportional to 1,110,070.20, 1,664,522.10 and 399,991.80

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Solution

The fourth proportional to 1,110,070.20, 1,664,522.10 and 399,991.80 is: 599,777.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,070.20 : 1,664,522.10 = 399,991.80 : x
  2. Step 2: Convert to fraction form
    1,110,070.20/1,664,522.10 = 399,991.80/x
  3. Step 3: Cross multiply
    1,110,070.20x = 1,664,522.10 × 399,991.80
  4. Step 4: Simplify right side
    1,110,070.20x = 665,795,190,918.78
  5. Step 5: Solve for x
    x = 665,795,190,918.78/1,110,070.20
  6. Step 6: Final answer
    x = 599,777.56

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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.