Home / 1,248,995.30-1,874,240.39-1,147,357.22

Finding the Fourth Proportional to 1,248,995.30, 1,874,240.39 and 1,147,357.22

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Solution

The fourth proportional to 1,248,995.30, 1,874,240.39 and 1,147,357.22 is: 1,721,722.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,995.30 : 1,874,240.39 = 1,147,357.22 : x
  2. Step 2: Convert to fraction form
    1,248,995.30/1,874,240.39 = 1,147,357.22/x
  3. Step 3: Cross multiply
    1,248,995.30x = 1,874,240.39 × 1,147,357.22
  4. Step 4: Simplify right side
    1,248,995.30x = 2,150,423,228,374.13
  5. Step 5: Solve for x
    x = 2,150,423,228,374.13/1,248,995.30
  6. Step 6: Final answer
    x = 1,721,722.44

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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.