Home / 1,040,480.56-1,560,722.83-401,085.39

Finding the Fourth Proportional to 1,040,480.56, 1,560,722.83 and 401,085.39

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Solution

The fourth proportional to 1,040,480.56, 1,560,722.83 and 401,085.39 is: 601,628.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,480.56 : 1,560,722.83 = 401,085.39 : x
  2. Step 2: Convert to fraction form
    1,040,480.56/1,560,722.83 = 401,085.39/x
  3. Step 3: Cross multiply
    1,040,480.56x = 1,560,722.83 × 401,085.39
  4. Step 4: Simplify right side
    1,040,480.56x = 625,983,123,279.49
  5. Step 5: Solve for x
    x = 625,983,123,279.49/1,040,480.56
  6. Step 6: Final answer
    x = 601,628.85

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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.