Home / 1,414,188.72-2,121,408.23-403,289.28

Finding the Fourth Proportional to 1,414,188.72, 2,121,408.23 and 403,289.28

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Solution

The fourth proportional to 1,414,188.72, 2,121,408.23 and 403,289.28 is: 604,969.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414,188.72 : 2,121,408.23 = 403,289.28 : x
  2. Step 2: Convert to fraction form
    1,414,188.72/2,121,408.23 = 403,289.28/x
  3. Step 3: Cross multiply
    1,414,188.72x = 2,121,408.23 × 403,289.28
  4. Step 4: Simplify right side
    1,414,188.72x = 855,541,195,646.33
  5. Step 5: Solve for x
    x = 855,541,195,646.33/1,414,188.72
  6. Step 6: Final answer
    x = 604,969.61

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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.