Home / 1,063,399.92-1,467,121.32-681,637.20

Finding the Fourth Proportional to 1,063,399.92, 1,467,121.32 and 681,637.20

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Solution

The fourth proportional to 1,063,399.92, 1,467,121.32 and 681,637.20 is: 940,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,063,399.92 : 1,467,121.32 = 681,637.20 : x
  2. Step 2: Convert to fraction form
    1,063,399.92/1,467,121.32 = 681,637.20/x
  3. Step 3: Cross multiply
    1,063,399.92x = 1,467,121.32 × 681,637.20
  4. Step 4: Simplify right side
    1,063,399.92x = 1,000,044,468,625.10
  5. Step 5: Solve for x
    x = 1,000,044,468,625.10/1,063,399.92
  6. Step 6: Final answer
    x = 940,421.80

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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.