Home / 1,372,193.20-2,056,540.20-660,689.20

Finding the Fourth Proportional to 1,372,193.20, 2,056,540.20 and 660,689.20

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Solution

The fourth proportional to 1,372,193.20, 2,056,540.20 and 660,689.20 is: 990,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,193.20 : 2,056,540.20 = 660,689.20 : x
  2. Step 2: Convert to fraction form
    1,372,193.20/2,056,540.20 = 660,689.20/x
  3. Step 3: Cross multiply
    1,372,193.20x = 2,056,540.20 × 660,689.20
  4. Step 4: Simplify right side
    1,372,193.20x = 1,358,733,899,505.84
  5. Step 5: Solve for x
    x = 1,358,733,899,505.84/1,372,193.20
  6. Step 6: Final answer
    x = 990,191.40

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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.