Home / 1,384,252.22-1,910,261.82-772,369.26

Finding the Fourth Proportional to 1,384,252.22, 1,910,261.82 and 772,369.26

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Solution

The fourth proportional to 1,384,252.22, 1,910,261.82 and 772,369.26 is: 1,065,866.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,252.22 : 1,910,261.82 = 772,369.26 : x
  2. Step 2: Convert to fraction form
    1,384,252.22/1,910,261.82 = 772,369.26/x
  3. Step 3: Cross multiply
    1,384,252.22x = 1,910,261.82 × 772,369.26
  4. Step 4: Simplify right side
    1,384,252.22x = 1,475,427,508,319.65
  5. Step 5: Solve for x
    x = 1,475,427,508,319.65/1,384,252.22
  6. Step 6: Final answer
    x = 1,065,866.10

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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.