Home / 1,664,004.60-2,496,006.90-667,447.80

Finding the Fourth Proportional to 1,664,004.60, 2,496,006.90 and 667,447.80

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Solution

The fourth proportional to 1,664,004.60, 2,496,006.90 and 667,447.80 is: 1,001,171.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,664,004.60 : 2,496,006.90 = 667,447.80 : x
  2. Step 2: Convert to fraction form
    1,664,004.60/2,496,006.90 = 667,447.80/x
  3. Step 3: Cross multiply
    1,664,004.60x = 2,496,006.90 × 667,447.80
  4. Step 4: Simplify right side
    1,664,004.60x = 1,665,954,314,189.82
  5. Step 5: Solve for x
    x = 1,665,954,314,189.82/1,664,004.60
  6. Step 6: Final answer
    x = 1,001,171.70

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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.