Home / 1,098,850.80-1,648,462.30-378,997.06

Finding the Fourth Proportional to 1,098,850.80, 1,648,462.30 and 378,997.06

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Solution

The fourth proportional to 1,098,850.80, 1,648,462.30 and 378,997.06 is: 568,559.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,850.80 : 1,648,462.30 = 378,997.06 : x
  2. Step 2: Convert to fraction form
    1,098,850.80/1,648,462.30 = 378,997.06/x
  3. Step 3: Cross multiply
    1,098,850.80x = 1,648,462.30 × 378,997.06
  4. Step 4: Simplify right side
    1,098,850.80x = 624,762,365,220.84
  5. Step 5: Solve for x
    x = 624,762,365,220.84/1,098,850.80
  6. Step 6: Final answer
    x = 568,559.78

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1.5x scale

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.