Home / 1,682,556-2,523,839.40-420,383.76

Finding the Fourth Proportional to 1,682,556, 2,523,839.40 and 420,383.76

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Solution

The fourth proportional to 1,682,556, 2,523,839.40 and 420,383.76 is: 630,576.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,556 : 2,523,839.40 = 420,383.76 : x
  2. Step 2: Convert to fraction form
    1,682,556/2,523,839.40 = 420,383.76/x
  3. Step 3: Cross multiply
    1,682,556x = 2,523,839.40 × 420,383.76
  4. Step 4: Simplify right side
    1,682,556x = 1,060,981,096,608.14
  5. Step 5: Solve for x
    x = 1,060,981,096,608.14/1,682,556
  6. Step 6: Final answer
    x = 630,576.99

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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.