Home / 1,418,640.60-2,127,960.90-672,144.60

Finding the Fourth Proportional to 1,418,640.60, 2,127,960.90 and 672,144.60

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Solution

The fourth proportional to 1,418,640.60, 2,127,960.90 and 672,144.60 is: 1,008,216.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418,640.60 : 2,127,960.90 = 672,144.60 : x
  2. Step 2: Convert to fraction form
    1,418,640.60/2,127,960.90 = 672,144.60/x
  3. Step 3: Cross multiply
    1,418,640.60x = 2,127,960.90 × 672,144.60
  4. Step 4: Simplify right side
    1,418,640.60x = 1,430,297,427,946.14
  5. Step 5: Solve for x
    x = 1,430,297,427,946.14/1,418,640.60
  6. Step 6: Final answer
    x = 1,008,216.90

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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.