Home / 1,328,744.57-1,992,624.77-429,953.18

Finding the Fourth Proportional to 1,328,744.57, 1,992,624.77 and 429,953.18

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Solution

The fourth proportional to 1,328,744.57, 1,992,624.77 and 429,953.18 is: 644,770.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,744.57 : 1,992,624.77 = 429,953.18 : x
  2. Step 2: Convert to fraction form
    1,328,744.57/1,992,624.77 = 429,953.18/x
  3. Step 3: Cross multiply
    1,328,744.57x = 1,992,624.77 × 429,953.18
  4. Step 4: Simplify right side
    1,328,744.57x = 856,735,347,520.03
  5. Step 5: Solve for x
    x = 856,735,347,520.03/1,328,744.57
  6. Step 6: Final answer
    x = 644,770.54

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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.