Home / 1,682,429.80-2,321,788.26-918,515.56

Finding the Fourth Proportional to 1,682,429.80, 2,321,788.26 and 918,515.56

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Solution

The fourth proportional to 1,682,429.80, 2,321,788.26 and 918,515.56 is: 1,267,570.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,429.80 : 2,321,788.26 = 918,515.56 : x
  2. Step 2: Convert to fraction form
    1,682,429.80/2,321,788.26 = 918,515.56/x
  3. Step 3: Cross multiply
    1,682,429.80x = 2,321,788.26 × 918,515.56
  4. Step 4: Simplify right side
    1,682,429.80x = 2,132,598,643,835.33
  5. Step 5: Solve for x
    x = 2,132,598,643,835.33/1,682,429.80
  6. Step 6: Final answer
    x = 1,267,570.66

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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.