Home / 1,286,496.82-1,774,203.87-803,106.82

Finding the Fourth Proportional to 1,286,496.82, 1,774,203.87 and 803,106.82

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Solution

The fourth proportional to 1,286,496.82, 1,774,203.87 and 803,106.82 is: 1,107,562.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,496.82 : 1,774,203.87 = 803,106.82 : x
  2. Step 2: Convert to fraction form
    1,286,496.82/1,774,203.87 = 803,106.82/x
  3. Step 3: Cross multiply
    1,286,496.82x = 1,774,203.87 × 803,106.82
  4. Step 4: Simplify right side
    1,286,496.82x = 1,424,875,228,067.39
  5. Step 5: Solve for x
    x = 1,424,875,228,067.39/1,286,496.82
  6. Step 6: Final answer
    x = 1,107,562.18

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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.