Home / 1,224,467.52-1,689,692.84-680,584.62

Finding the Fourth Proportional to 1,224,467.52, 1,689,692.84 and 680,584.62

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Solution

The fourth proportional to 1,224,467.52, 1,689,692.84 and 680,584.62 is: 939,166.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,467.52 : 1,689,692.84 = 680,584.62 : x
  2. Step 2: Convert to fraction form
    1,224,467.52/1,689,692.84 = 680,584.62/x
  3. Step 3: Cross multiply
    1,224,467.52x = 1,689,692.84 × 680,584.62
  4. Step 4: Simplify right side
    1,224,467.52x = 1,149,978,959,428.12
  5. Step 5: Solve for x
    x = 1,149,978,959,428.12/1,224,467.52
  6. Step 6: Final answer
    x = 939,166.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.