Home / 1,017,145.20-1,525,717.80-269,266.80

Finding the Fourth Proportional to 1,017,145.20, 1,525,717.80 and 269,266.80

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Solution

The fourth proportional to 1,017,145.20, 1,525,717.80 and 269,266.80 is: 403,900.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,145.20 : 1,525,717.80 = 269,266.80 : x
  2. Step 2: Convert to fraction form
    1,017,145.20/1,525,717.80 = 269,266.80/x
  3. Step 3: Cross multiply
    1,017,145.20x = 1,525,717.80 × 269,266.80
  4. Step 4: Simplify right side
    1,017,145.20x = 410,825,149,709.04
  5. Step 5: Solve for x
    x = 410,825,149,709.04/1,017,145.20
  6. Step 6: Final answer
    x = 403,900.20

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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.