Home / 1,145,179.30-1,717,768.95-1,040,203.30

Finding the Fourth Proportional to 1,145,179.30, 1,717,768.95 and 1,040,203.30

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Solution

The fourth proportional to 1,145,179.30, 1,717,768.95 and 1,040,203.30 is: 1,560,304.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,179.30 : 1,717,768.95 = 1,040,203.30 : x
  2. Step 2: Convert to fraction form
    1,145,179.30/1,717,768.95 = 1,040,203.30/x
  3. Step 3: Cross multiply
    1,145,179.30x = 1,717,768.95 × 1,040,203.30
  4. Step 4: Simplify right side
    1,145,179.30x = 1,786,828,930,427.54
  5. Step 5: Solve for x
    x = 1,786,828,930,427.54/1,145,179.30
  6. Step 6: Final answer
    x = 1,560,304.95

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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.