Home / 1,493,171.60-2,238,007.80-1,118,757.20

Finding the Fourth Proportional to 1,493,171.60, 2,238,007.80 and 1,118,757.20

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Solution

The fourth proportional to 1,493,171.60, 2,238,007.80 and 1,118,757.20 is: 1,676,824.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493,171.60 : 2,238,007.80 = 1,118,757.20 : x
  2. Step 2: Convert to fraction form
    1,493,171.60/2,238,007.80 = 1,118,757.20/x
  3. Step 3: Cross multiply
    1,493,171.60x = 2,238,007.80 × 1,118,757.20
  4. Step 4: Simplify right side
    1,493,171.60x = 2,503,787,339,906.16
  5. Step 5: Solve for x
    x = 2,503,787,339,906.16/1,493,171.60
  6. Step 6: Final answer
    x = 1,676,824.91

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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.