Home / 1,199,811.66-1,799,719.32-480,477.30

Finding the Fourth Proportional to 1,199,811.66, 1,799,719.32 and 480,477.30

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Solution

The fourth proportional to 1,199,811.66, 1,799,719.32 and 480,477.30 is: 720,716.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,811.66 : 1,799,719.32 = 480,477.30 : x
  2. Step 2: Convert to fraction form
    1,199,811.66/1,799,719.32 = 480,477.30/x
  3. Step 3: Cross multiply
    1,199,811.66x = 1,799,719.32 × 480,477.30
  4. Step 4: Simplify right side
    1,199,811.66x = 864,724,279,631.44
  5. Step 5: Solve for x
    x = 864,724,279,631.44/1,199,811.66
  6. Step 6: Final answer
    x = 720,716.68

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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.