Home / 1,297,281.42-1,945,922.13-386,477.73

Finding the Fourth Proportional to 1,297,281.42, 1,945,922.13 and 386,477.73

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Solution

The fourth proportional to 1,297,281.42, 1,945,922.13 and 386,477.73 is: 579,716.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,281.42 : 1,945,922.13 = 386,477.73 : x
  2. Step 2: Convert to fraction form
    1,297,281.42/1,945,922.13 = 386,477.73/x
  3. Step 3: Cross multiply
    1,297,281.42x = 1,945,922.13 × 386,477.73
  4. Step 4: Simplify right side
    1,297,281.42x = 752,055,567,559.17
  5. Step 5: Solve for x
    x = 752,055,567,559.17/1,297,281.42
  6. Step 6: Final answer
    x = 579,716.60

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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.