Home / 1,248,995.80-1,874,241.14-1,147,357.72

Finding the Fourth Proportional to 1,248,995.80, 1,874,241.14 and 1,147,357.72

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Solution

The fourth proportional to 1,248,995.80, 1,874,241.14 and 1,147,357.72 is: 1,721,723.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,995.80 : 1,874,241.14 = 1,147,357.72 : x
  2. Step 2: Convert to fraction form
    1,248,995.80/1,874,241.14 = 1,147,357.72/x
  3. Step 3: Cross multiply
    1,248,995.80x = 1,874,241.14 × 1,147,357.72
  4. Step 4: Simplify right side
    1,248,995.80x = 2,150,425,026,012.61
  5. Step 5: Solve for x
    x = 2,150,425,026,012.61/1,248,995.80
  6. Step 6: Final answer
    x = 1,721,723.19

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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.