Home / 1,013,923.20-1,520,884.80-266,044.80

Finding the Fourth Proportional to 1,013,923.20, 1,520,884.80 and 266,044.80

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Solution

The fourth proportional to 1,013,923.20, 1,520,884.80 and 266,044.80 is: 399,067.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,923.20 : 1,520,884.80 = 266,044.80 : x
  2. Step 2: Convert to fraction form
    1,013,923.20/1,520,884.80 = 266,044.80/x
  3. Step 3: Cross multiply
    1,013,923.20x = 1,520,884.80 × 266,044.80
  4. Step 4: Simplify right side
    1,013,923.20x = 404,623,492,439.04
  5. Step 5: Solve for x
    x = 404,623,492,439.04/1,013,923.20
  6. Step 6: Final answer
    x = 399,067.20

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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.