Home / 1,415,860.82-2,122,369.12-455,610.68

Finding the Fourth Proportional to 1,415,860.82, 2,122,369.12 and 455,610.68

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Solution

The fourth proportional to 1,415,860.82, 2,122,369.12 and 455,610.68 is: 682,958.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,860.82 : 2,122,369.12 = 455,610.68 : x
  2. Step 2: Convert to fraction form
    1,415,860.82/2,122,369.12 = 455,610.68/x
  3. Step 3: Cross multiply
    1,415,860.82x = 2,122,369.12 × 455,610.68
  4. Step 4: Simplify right side
    1,415,860.82x = 966,974,026,223.33
  5. Step 5: Solve for x
    x = 966,974,026,223.33/1,415,860.82
  6. Step 6: Final answer
    x = 682,958.39

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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.