Home / 1,331,613.12-1,997,609.22-432,765.84

Finding the Fourth Proportional to 1,331,613.12, 1,997,609.22 and 432,765.84

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Solution

The fourth proportional to 1,331,613.12, 1,997,609.22 and 432,765.84 is: 649,210.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,613.12 : 1,997,609.22 = 432,765.84 : x
  2. Step 2: Convert to fraction form
    1,331,613.12/1,997,609.22 = 432,765.84/x
  3. Step 3: Cross multiply
    1,331,613.12x = 1,997,609.22 × 432,765.84
  4. Step 4: Simplify right side
    1,331,613.12x = 864,497,032,085.05
  5. Step 5: Solve for x
    x = 864,497,032,085.05/1,331,613.12
  6. Step 6: Final answer
    x = 649,210.36

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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.