Home / 1,286,495.82-1,774,202.49-803,105.82

Finding the Fourth Proportional to 1,286,495.82, 1,774,202.49 and 803,105.82

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Solution

The fourth proportional to 1,286,495.82, 1,774,202.49 and 803,105.82 is: 1,107,560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,495.82 : 1,774,202.49 = 803,105.82 : x
  2. Step 2: Convert to fraction form
    1,286,495.82/1,774,202.49 = 803,105.82/x
  3. Step 3: Cross multiply
    1,286,495.82x = 1,774,202.49 × 803,105.82
  4. Step 4: Simplify right side
    1,286,495.82x = 1,424,872,345,577.49
  5. Step 5: Solve for x
    x = 1,424,872,345,577.49/1,286,495.82
  6. Step 6: Final answer
    x = 1,107,560.80

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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.