Home / 1,458,999.26-2,008,961.90-1,322,142.80

Finding the Fourth Proportional to 1,458,999.26, 2,008,961.90 and 1,322,142.80

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Solution

The fourth proportional to 1,458,999.26, 2,008,961.90 and 1,322,142.80 is: 1,820,518.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,999.26 : 2,008,961.90 = 1,322,142.80 : x
  2. Step 2: Convert to fraction form
    1,458,999.26/2,008,961.90 = 1,322,142.80/x
  3. Step 3: Cross multiply
    1,458,999.26x = 2,008,961.90 × 1,322,142.80
  4. Step 4: Simplify right side
    1,458,999.26x = 2,656,134,511,559.32
  5. Step 5: Solve for x
    x = 2,656,134,511,559.32/1,458,999.26
  6. Step 6: Final answer
    x = 1,820,518.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.