Home / 1,494,934.80-2,240,317.62-1,129,896.60

Finding the Fourth Proportional to 1,494,934.80, 2,240,317.62 and 1,129,896.60

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Solution

The fourth proportional to 1,494,934.80, 2,240,317.62 and 1,129,896.60 is: 1,693,269.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,934.80 : 2,240,317.62 = 1,129,896.60 : x
  2. Step 2: Convert to fraction form
    1,494,934.80/2,240,317.62 = 1,129,896.60/x
  3. Step 3: Cross multiply
    1,494,934.80x = 2,240,317.62 × 1,129,896.60
  4. Step 4: Simplify right side
    1,494,934.80x = 2,531,327,261,758.09
  5. Step 5: Solve for x
    x = 2,531,327,261,758.09/1,494,934.80
  6. Step 6: Final answer
    x = 1,693,269.34

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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.