Home / 1,082,142.72-1,623,447.36-324,044.28

Finding the Fourth Proportional to 1,082,142.72, 1,623,447.36 and 324,044.28

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Solution

The fourth proportional to 1,082,142.72, 1,623,447.36 and 324,044.28 is: 486,136.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,142.72 : 1,623,447.36 = 324,044.28 : x
  2. Step 2: Convert to fraction form
    1,082,142.72/1,623,447.36 = 324,044.28/x
  3. Step 3: Cross multiply
    1,082,142.72x = 1,623,447.36 × 324,044.28
  4. Step 4: Simplify right side
    1,082,142.72x = 526,068,830,889.10
  5. Step 5: Solve for x
    x = 526,068,830,889.10/1,082,142.72
  6. Step 6: Final answer
    x = 486,136.27

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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.