Home / 1,432,613.54-2,148,180.83-421,604.22

Finding the Fourth Proportional to 1,432,613.54, 2,148,180.83 and 421,604.22

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Solution

The fourth proportional to 1,432,613.54, 2,148,180.83 and 421,604.22 is: 632,188.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,613.54 : 2,148,180.83 = 421,604.22 : x
  2. Step 2: Convert to fraction form
    1,432,613.54/2,148,180.83 = 421,604.22/x
  3. Step 3: Cross multiply
    1,432,613.54x = 2,148,180.83 × 421,604.22
  4. Step 4: Simplify right side
    1,432,613.54x = 905,682,101,143.08
  5. Step 5: Solve for x
    x = 905,682,101,143.08/1,432,613.54
  6. Step 6: Final answer
    x = 632,188.71

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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.