Home / 1,720,791.12-2,575,795.32-1,112,772.72

Finding the Fourth Proportional to 1,720,791.12, 2,575,795.32 and 1,112,772.72

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Solution

The fourth proportional to 1,720,791.12, 2,575,795.32 and 1,112,772.72 is: 1,665,672.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,791.12 : 2,575,795.32 = 1,112,772.72 : x
  2. Step 2: Convert to fraction form
    1,720,791.12/2,575,795.32 = 1,112,772.72/x
  3. Step 3: Cross multiply
    1,720,791.12x = 2,575,795.32 × 1,112,772.72
  4. Step 4: Simplify right side
    1,720,791.12x = 2,866,274,764,399.67
  5. Step 5: Solve for x
    x = 2,866,274,764,399.67/1,720,791.12
  6. Step 6: Final answer
    x = 1,665,672.68

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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.