Home / 1,172,555-1,758,384.14-639,791.24

Finding the Fourth Proportional to 1,172,555, 1,758,384.14 and 639,791.24

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Solution

The fourth proportional to 1,172,555, 1,758,384.14 and 639,791.24 is: 959,442.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,555 : 1,758,384.14 = 639,791.24 : x
  2. Step 2: Convert to fraction form
    1,172,555/1,758,384.14 = 639,791.24/x
  3. Step 3: Cross multiply
    1,172,555x = 1,758,384.14 × 639,791.24
  4. Step 4: Simplify right side
    1,172,555x = 1,124,998,769,326.93
  5. Step 5: Solve for x
    x = 1,124,998,769,326.93/1,172,555
  6. Step 6: Final answer
    x = 959,442.22

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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.