Home / 1,426,961.82-2,140,214.87-415,847.26

Finding the Fourth Proportional to 1,426,961.82, 2,140,214.87 and 415,847.26

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Solution

The fourth proportional to 1,426,961.82, 2,140,214.87 and 415,847.26 is: 623,704.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,961.82 : 2,140,214.87 = 415,847.26 : x
  2. Step 2: Convert to fraction form
    1,426,961.82/2,140,214.87 = 415,847.26/x
  3. Step 3: Cross multiply
    1,426,961.82x = 2,140,214.87 × 415,847.26
  4. Step 4: Simplify right side
    1,426,961.82x = 890,002,485,189.84
  5. Step 5: Solve for x
    x = 890,002,485,189.84/1,426,961.82
  6. Step 6: Final answer
    x = 623,704.48

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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.