Home / 1,339,332.60-2,008,998.90-807,454.20

Finding the Fourth Proportional to 1,339,332.60, 2,008,998.90 and 807,454.20

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Solution

The fourth proportional to 1,339,332.60, 2,008,998.90 and 807,454.20 is: 1,211,181.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,332.60 : 2,008,998.90 = 807,454.20 : x
  2. Step 2: Convert to fraction form
    1,339,332.60/2,008,998.90 = 807,454.20/x
  3. Step 3: Cross multiply
    1,339,332.60x = 2,008,998.90 × 807,454.20
  4. Step 4: Simplify right side
    1,339,332.60x = 1,622,174,599,600.38
  5. Step 5: Solve for x
    x = 1,622,174,599,600.38/1,339,332.60
  6. Step 6: Final answer
    x = 1,211,181.30

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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.