Home / 1,023,818.28-1,413,380.74-636,758.46

Finding the Fourth Proportional to 1,023,818.28, 1,413,380.74 and 636,758.46

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Solution

The fourth proportional to 1,023,818.28, 1,413,380.74 and 636,758.46 is: 879,044.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,818.28 : 1,413,380.74 = 636,758.46 : x
  2. Step 2: Convert to fraction form
    1,023,818.28/1,413,380.74 = 636,758.46/x
  3. Step 3: Cross multiply
    1,023,818.28x = 1,413,380.74 × 636,758.46
  4. Step 4: Simplify right side
    1,023,818.28x = 899,982,143,396.06
  5. Step 5: Solve for x
    x = 899,982,143,396.06/1,023,818.28
  6. Step 6: Final answer
    x = 879,044.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.