Home / 1,008,083.60-1,512,562.80-509,447.60

Finding the Fourth Proportional to 1,008,083.60, 1,512,562.80 and 509,447.60

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Solution

The fourth proportional to 1,008,083.60, 1,512,562.80 and 509,447.60 is: 764,392.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,083.60 : 1,512,562.80 = 509,447.60 : x
  2. Step 2: Convert to fraction form
    1,008,083.60/1,512,562.80 = 509,447.60/x
  3. Step 3: Cross multiply
    1,008,083.60x = 1,512,562.80 × 509,447.60
  4. Step 4: Simplify right side
    1,008,083.60x = 770,571,488,309.28
  5. Step 5: Solve for x
    x = 770,571,488,309.28/1,008,083.60
  6. Step 6: Final answer
    x = 764,392.45

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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.