Home / 1,040,190.54-1,560,292.29-320,523.36

Finding the Fourth Proportional to 1,040,190.54, 1,560,292.29 and 320,523.36

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Solution

The fourth proportional to 1,040,190.54, 1,560,292.29 and 320,523.36 is: 480,787.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,190.54 : 1,560,292.29 = 320,523.36 : x
  2. Step 2: Convert to fraction form
    1,040,190.54/1,560,292.29 = 320,523.36/x
  3. Step 3: Cross multiply
    1,040,190.54x = 1,560,292.29 × 320,523.36
  4. Step 4: Simplify right side
    1,040,190.54x = 500,110,127,372.89
  5. Step 5: Solve for x
    x = 500,110,127,372.89/1,040,190.54
  6. Step 6: Final answer
    x = 480,787.04

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Double scale
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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.