Home / 1,293,742.60-1,940,613.90-1,107,118.60

Finding the Fourth Proportional to 1,293,742.60, 1,940,613.90 and 1,107,118.60

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Solution

The fourth proportional to 1,293,742.60, 1,940,613.90 and 1,107,118.60 is: 1,660,677.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,742.60 : 1,940,613.90 = 1,107,118.60 : x
  2. Step 2: Convert to fraction form
    1,293,742.60/1,940,613.90 = 1,107,118.60/x
  3. Step 3: Cross multiply
    1,293,742.60x = 1,940,613.90 × 1,107,118.60
  4. Step 4: Simplify right side
    1,293,742.60x = 2,148,489,744,108.54
  5. Step 5: Solve for x
    x = 2,148,489,744,108.54/1,293,742.60
  6. Step 6: Final answer
    x = 1,660,677.90

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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.