Home / 1,238,791.04-1,709,429.12-694,851.20

Finding the Fourth Proportional to 1,238,791.04, 1,709,429.12 and 694,851.20

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Solution

The fourth proportional to 1,238,791.04, 1,709,429.12 and 694,851.20 is: 958,837.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,791.04 : 1,709,429.12 = 694,851.20 : x
  2. Step 2: Convert to fraction form
    1,238,791.04/1,709,429.12 = 694,851.20/x
  3. Step 3: Cross multiply
    1,238,791.04x = 1,709,429.12 × 694,851.20
  4. Step 4: Simplify right side
    1,238,791.04x = 1,187,798,875,346.94
  5. Step 5: Solve for x
    x = 1,187,798,875,346.94/1,238,791.04
  6. Step 6: Final answer
    x = 958,837.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.