Home / 1,455,286.80-2,182,930.20-746,698.80

Finding the Fourth Proportional to 1,455,286.80, 2,182,930.20 and 746,698.80

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Solution

The fourth proportional to 1,455,286.80, 2,182,930.20 and 746,698.80 is: 1,120,048.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,286.80 : 2,182,930.20 = 746,698.80 : x
  2. Step 2: Convert to fraction form
    1,455,286.80/2,182,930.20 = 746,698.80/x
  3. Step 3: Cross multiply
    1,455,286.80x = 2,182,930.20 × 746,698.80
  4. Step 4: Simplify right side
    1,455,286.80x = 1,629,991,360,823.76
  5. Step 5: Solve for x
    x = 1,629,991,360,823.76/1,455,286.80
  6. Step 6: Final answer
    x = 1,120,048.20

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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.