Home / 1,664,022.96-2,496,358.08-639,278.58

Finding the Fourth Proportional to 1,664,022.96, 2,496,358.08 and 639,278.58

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Solution

The fourth proportional to 1,664,022.96, 2,496,358.08 and 639,278.58 is: 959,042.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,022.96 : 2,496,358.08 = 639,278.58 : x
  2. Step 2: Convert to fraction form
    1,664,022.96/2,496,358.08 = 639,278.58/x
  3. Step 3: Cross multiply
    1,664,022.96x = 2,496,358.08 × 639,278.58
  4. Step 4: Simplify right side
    1,664,022.96x = 1,595,868,248,553.93
  5. Step 5: Solve for x
    x = 1,595,868,248,553.93/1,664,022.96
  6. Step 6: Final answer
    x = 959,042.20

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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.