Home / 1,340,673.64-2,008,317.87-620,005.21

Finding the Fourth Proportional to 1,340,673.64, 2,008,317.87 and 620,005.21

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Solution

The fourth proportional to 1,340,673.64, 2,008,317.87 and 620,005.21 is: 928,762.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,673.64 : 2,008,317.87 = 620,005.21 : x
  2. Step 2: Convert to fraction form
    1,340,673.64/2,008,317.87 = 620,005.21/x
  3. Step 3: Cross multiply
    1,340,673.64x = 2,008,317.87 × 620,005.21
  4. Step 4: Simplify right side
    1,340,673.64x = 1,245,167,542,736.10
  5. Step 5: Solve for x
    x = 1,245,167,542,736.10/1,340,673.64
  6. Step 6: Final answer
    x = 928,762.61

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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.