Home / 1,107,795.20-1,661,692.80-930,648.20

Finding the Fourth Proportional to 1,107,795.20, 1,661,692.80 and 930,648.20

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Solution

The fourth proportional to 1,107,795.20, 1,661,692.80 and 930,648.20 is: 1,395,972.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,795.20 : 1,661,692.80 = 930,648.20 : x
  2. Step 2: Convert to fraction form
    1,107,795.20/1,661,692.80 = 930,648.20/x
  3. Step 3: Cross multiply
    1,107,795.20x = 1,661,692.80 × 930,648.20
  4. Step 4: Simplify right side
    1,107,795.20x = 1,546,451,413,272.96
  5. Step 5: Solve for x
    x = 1,546,451,413,272.96/1,107,795.20
  6. Step 6: Final answer
    x = 1,395,972.30

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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.