Home / 1,040,070.20-1,560,105.30-480,198.20

Finding the Fourth Proportional to 1,040,070.20, 1,560,105.30 and 480,198.20

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Solution

The fourth proportional to 1,040,070.20, 1,560,105.30 and 480,198.20 is: 720,297.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,070.20 : 1,560,105.30 = 480,198.20 : x
  2. Step 2: Convert to fraction form
    1,040,070.20/1,560,105.30 = 480,198.20/x
  3. Step 3: Cross multiply
    1,040,070.20x = 1,560,105.30 × 480,198.20
  4. Step 4: Simplify right side
    1,040,070.20x = 749,159,756,870.46
  5. Step 5: Solve for x
    x = 749,159,756,870.46/1,040,070.20
  6. Step 6: Final answer
    x = 720,297.30

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Double scale
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Similar ratio
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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.