Home / 1,097,171.70-1,645,757.55-1,081,425.30

Finding the Fourth Proportional to 1,097,171.70, 1,645,757.55 and 1,081,425.30

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Solution

The fourth proportional to 1,097,171.70, 1,645,757.55 and 1,081,425.30 is: 1,622,137.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,097,171.70 : 1,645,757.55 = 1,081,425.30 : x
  2. Step 2: Convert to fraction form
    1,097,171.70/1,645,757.55 = 1,081,425.30/x
  3. Step 3: Cross multiply
    1,097,171.70x = 1,645,757.55 × 1,081,425.30
  4. Step 4: Simplify right side
    1,097,171.70x = 1,779,763,852,236.02
  5. Step 5: Solve for x
    x = 1,779,763,852,236.02/1,097,171.70
  6. Step 6: Final answer
    x = 1,622,137.95

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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.