Home / 1,096,692.72-1,643,917.48-422,509.87

Finding the Fourth Proportional to 1,096,692.72, 1,643,917.48 and 422,509.87

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Solution

The fourth proportional to 1,096,692.72, 1,643,917.48 and 422,509.87 is: 633,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,692.72 : 1,643,917.48 = 422,509.87 : x
  2. Step 2: Convert to fraction form
    1,096,692.72/1,643,917.48 = 422,509.87/x
  3. Step 3: Cross multiply
    1,096,692.72x = 1,643,917.48 × 422,509.87
  4. Step 4: Simplify right side
    1,096,692.72x = 694,571,361,764.15
  5. Step 5: Solve for x
    x = 694,571,361,764.15/1,096,692.72
  6. Step 6: Final answer
    x = 633,332.70

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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.