Home / 1,690,027.90-2,535,457.40-491,960.60

Finding the Fourth Proportional to 1,690,027.90, 2,535,457.40 and 491,960.60

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Solution

The fourth proportional to 1,690,027.90, 2,535,457.40 and 491,960.60 is: 738,061.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,027.90 : 2,535,457.40 = 491,960.60 : x
  2. Step 2: Convert to fraction form
    1,690,027.90/2,535,457.40 = 491,960.60/x
  3. Step 3: Cross multiply
    1,690,027.90x = 2,535,457.40 × 491,960.60
  4. Step 4: Simplify right side
    1,690,027.90x = 1,247,345,143,778.44
  5. Step 5: Solve for x
    x = 1,247,345,143,778.44/1,690,027.90
  6. Step 6: Final answer
    x = 738,061.87

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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.