Home / 1,040,079.39-1,560,119.08-281,921.01

Finding the Fourth Proportional to 1,040,079.39, 1,560,119.08 and 281,921.01

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Solution

The fourth proportional to 1,040,079.39, 1,560,119.08 and 281,921.01 is: 422,881.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,079.39 : 1,560,119.08 = 281,921.01 : x
  2. Step 2: Convert to fraction form
    1,040,079.39/1,560,119.08 = 281,921.01/x
  3. Step 3: Cross multiply
    1,040,079.39x = 1,560,119.08 × 281,921.01
  4. Step 4: Simplify right side
    1,040,079.39x = 439,830,340,727.22
  5. Step 5: Solve for x
    x = 439,830,340,727.22/1,040,079.39
  6. Step 6: Final answer
    x = 422,881.51

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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.