Home / 1,074,589.76-1,611,874.92-400,648.16

Finding the Fourth Proportional to 1,074,589.76, 1,611,874.92 and 400,648.16

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Solution

The fourth proportional to 1,074,589.76, 1,611,874.92 and 400,648.16 is: 600,968.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,074,589.76 : 1,611,874.92 = 400,648.16 : x
  2. Step 2: Convert to fraction form
    1,074,589.76/1,611,874.92 = 400,648.16/x
  3. Step 3: Cross multiply
    1,074,589.76x = 1,611,874.92 × 400,648.16
  4. Step 4: Simplify right side
    1,074,589.76x = 645,794,720,848.15
  5. Step 5: Solve for x
    x = 645,794,720,848.15/1,074,589.76
  6. Step 6: Final answer
    x = 600,968.62

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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.