Home / 1,638,294.67-2,454,198.11-772,544.30

Finding the Fourth Proportional to 1,638,294.67, 2,454,198.11 and 772,544.30

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Solution

The fourth proportional to 1,638,294.67, 2,454,198.11 and 772,544.30 is: 1,157,286.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,294.67 : 2,454,198.11 = 772,544.30 : x
  2. Step 2: Convert to fraction form
    1,638,294.67/2,454,198.11 = 772,544.30/x
  3. Step 3: Cross multiply
    1,638,294.67x = 2,454,198.11 × 772,544.30
  4. Step 4: Simplify right side
    1,638,294.67x = 1,895,976,747,714.60
  5. Step 5: Solve for x
    x = 1,895,976,747,714.60/1,638,294.67
  6. Step 6: Final answer
    x = 1,157,286.77

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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.