Home / 1,105,107.60-1,657,661.40-825,171.60

Finding the Fourth Proportional to 1,105,107.60, 1,657,661.40 and 825,171.60

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Solution

The fourth proportional to 1,105,107.60, 1,657,661.40 and 825,171.60 is: 1,237,757.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,107.60 : 1,657,661.40 = 825,171.60 : x
  2. Step 2: Convert to fraction form
    1,105,107.60/1,657,661.40 = 825,171.60/x
  3. Step 3: Cross multiply
    1,105,107.60x = 1,657,661.40 × 825,171.60
  4. Step 4: Simplify right side
    1,105,107.60x = 1,367,855,109,696.24
  5. Step 5: Solve for x
    x = 1,367,855,109,696.24/1,105,107.60
  6. Step 6: Final answer
    x = 1,237,757.40

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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.