Home / 1,620,256.44-2,428,270.74-1,172,485.56

Finding the Fourth Proportional to 1,620,256.44, 2,428,270.74 and 1,172,485.56

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Solution

The fourth proportional to 1,620,256.44, 2,428,270.74 and 1,172,485.56 is: 1,757,198.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,256.44 : 2,428,270.74 = 1,172,485.56 : x
  2. Step 2: Convert to fraction form
    1,620,256.44/2,428,270.74 = 1,172,485.56/x
  3. Step 3: Cross multiply
    1,620,256.44x = 2,428,270.74 × 1,172,485.56
  4. Step 4: Simplify right side
    1,620,256.44x = 2,847,112,378,420.51
  5. Step 5: Solve for x
    x = 2,847,112,378,420.51/1,620,256.44
  6. Step 6: Final answer
    x = 1,757,198.62

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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.