Home / 1,690,133.30-2,535,365.55-492,067.70

Finding the Fourth Proportional to 1,690,133.30, 2,535,365.55 and 492,067.70

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Solution

The fourth proportional to 1,690,133.30, 2,535,365.55 and 492,067.70 is: 738,149.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,133.30 : 2,535,365.55 = 492,067.70 : x
  2. Step 2: Convert to fraction form
    1,690,133.30/2,535,365.55 = 492,067.70/x
  3. Step 3: Cross multiply
    1,690,133.30x = 2,535,365.55 × 492,067.70
  4. Step 4: Simplify right side
    1,690,133.30x = 1,247,571,494,847.73
  5. Step 5: Solve for x
    x = 1,247,571,494,847.73/1,690,133.30
  6. Step 6: Final answer
    x = 738,149.76

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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.