Home / 1,082,213.80-1,623,320.70-491,237.80

Finding the Fourth Proportional to 1,082,213.80, 1,623,320.70 and 491,237.80

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Solution

The fourth proportional to 1,082,213.80, 1,623,320.70 and 491,237.80 is: 736,856.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,213.80 : 1,623,320.70 = 491,237.80 : x
  2. Step 2: Convert to fraction form
    1,082,213.80/1,623,320.70 = 491,237.80/x
  3. Step 3: Cross multiply
    1,082,213.80x = 1,623,320.70 × 491,237.80
  4. Step 4: Simplify right side
    1,082,213.80x = 797,436,489,362.46
  5. Step 5: Solve for x
    x = 797,436,489,362.46/1,082,213.80
  6. Step 6: Final answer
    x = 736,856.70

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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.