Home / 1,218,097.56-1,681,458.30-825,720.60

Finding the Fourth Proportional to 1,218,097.56, 1,681,458.30 and 825,720.60

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Solution

The fourth proportional to 1,218,097.56, 1,681,458.30 and 825,720.60 is: 1,139,822.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,218,097.56 : 1,681,458.30 = 825,720.60 : x
  2. Step 2: Convert to fraction form
    1,218,097.56/1,681,458.30 = 825,720.60/x
  3. Step 3: Cross multiply
    1,218,097.56x = 1,681,458.30 × 825,720.60
  4. Step 4: Simplify right side
    1,218,097.56x = 1,388,414,756,350.98
  5. Step 5: Solve for x
    x = 1,388,414,756,350.98/1,218,097.56
  6. Step 6: Final answer
    x = 1,139,822.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.