Home / 1,614,531.90-2,420,923.05-667,998.30

Finding the Fourth Proportional to 1,614,531.90, 2,420,923.05 and 667,998.30

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Solution

The fourth proportional to 1,614,531.90, 2,420,923.05 and 667,998.30 is: 1,001,635.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614,531.90 : 2,420,923.05 = 667,998.30 : x
  2. Step 2: Convert to fraction form
    1,614,531.90/2,420,923.05 = 667,998.30/x
  3. Step 3: Cross multiply
    1,614,531.90x = 2,420,923.05 × 667,998.30
  4. Step 4: Simplify right side
    1,614,531.90x = 1,617,172,481,830.82
  5. Step 5: Solve for x
    x = 1,617,172,481,830.82/1,614,531.90
  6. Step 6: Final answer
    x = 1,001,635.51

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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.