Home / 1,378,736.29-2,068,160.06-480,268.90

Finding the Fourth Proportional to 1,378,736.29, 2,068,160.06 and 480,268.90

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Solution

The fourth proportional to 1,378,736.29, 2,068,160.06 and 480,268.90 is: 720,422.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,736.29 : 2,068,160.06 = 480,268.90 : x
  2. Step 2: Convert to fraction form
    1,378,736.29/2,068,160.06 = 480,268.90/x
  3. Step 3: Cross multiply
    1,378,736.29x = 2,068,160.06 × 480,268.90
  4. Step 4: Simplify right side
    1,378,736.29x = 993,272,957,040.13
  5. Step 5: Solve for x
    x = 993,272,957,040.13/1,378,736.29
  6. Step 6: Final answer
    x = 720,422.73

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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.