Home / 1,699,341.81-2,548,987.76-419,949.26

Finding the Fourth Proportional to 1,699,341.81, 2,548,987.76 and 419,949.26

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Solution

The fourth proportional to 1,699,341.81, 2,548,987.76 and 419,949.26 is: 629,917.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,699,341.81 : 2,548,987.76 = 419,949.26 : x
  2. Step 2: Convert to fraction form
    1,699,341.81/2,548,987.76 = 419,949.26/x
  3. Step 3: Cross multiply
    1,699,341.81x = 2,548,987.76 × 419,949.26
  4. Step 4: Simplify right side
    1,699,341.81x = 1,070,445,508,716.37
  5. Step 5: Solve for x
    x = 1,070,445,508,716.37/1,699,341.81
  6. Step 6: Final answer
    x = 629,917.71

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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.