Home / 1,260,884.60-1,891,499.70-419,348.60

Finding the Fourth Proportional to 1,260,884.60, 1,891,499.70 and 419,348.60

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Solution

The fourth proportional to 1,260,884.60, 1,891,499.70 and 419,348.60 is: 629,080.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,884.60 : 1,891,499.70 = 419,348.60 : x
  2. Step 2: Convert to fraction form
    1,260,884.60/1,891,499.70 = 419,348.60/x
  3. Step 3: Cross multiply
    1,260,884.60x = 1,891,499.70 × 419,348.60
  4. Step 4: Simplify right side
    1,260,884.60x = 793,197,751,095.42
  5. Step 5: Solve for x
    x = 793,197,751,095.42/1,260,884.60
  6. Step 6: Final answer
    x = 629,080.37

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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.