Home / 1,330,249.40-1,996,626.90-699,615.80

Finding the Fourth Proportional to 1,330,249.40, 1,996,626.90 and 699,615.80

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Solution

The fourth proportional to 1,330,249.40, 1,996,626.90 and 699,615.80 is: 1,050,082.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,249.40 : 1,996,626.90 = 699,615.80 : x
  2. Step 2: Convert to fraction form
    1,330,249.40/1,996,626.90 = 699,615.80/x
  3. Step 3: Cross multiply
    1,330,249.40x = 1,996,626.90 × 699,615.80
  4. Step 4: Simplify right side
    1,330,249.40x = 1,396,871,725,945.02
  5. Step 5: Solve for x
    x = 1,396,871,725,945.02/1,330,249.40
  6. Step 6: Final answer
    x = 1,050,082.58

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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.