Home / 1,349,998.40-2,025,021.60-403,380.80

Finding the Fourth Proportional to 1,349,998.40, 2,025,021.60 and 403,380.80

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Solution

The fourth proportional to 1,349,998.40, 2,025,021.60 and 403,380.80 is: 605,078.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,998.40 : 2,025,021.60 = 403,380.80 : x
  2. Step 2: Convert to fraction form
    1,349,998.40/2,025,021.60 = 403,380.80/x
  3. Step 3: Cross multiply
    1,349,998.40x = 2,025,021.60 × 403,380.80
  4. Step 4: Simplify right side
    1,349,998.40x = 816,854,833,025.28
  5. Step 5: Solve for x
    x = 816,854,833,025.28/1,349,998.40
  6. Step 6: Final answer
    x = 605,078.37

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1.5x scale

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.