Home / 1,028,960.82-1,420,127.84-587,436.50

Finding the Fourth Proportional to 1,028,960.82, 1,420,127.84 and 587,436.50

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Solution

The fourth proportional to 1,028,960.82, 1,420,127.84 and 587,436.50 is: 810,754.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,960.82 : 1,420,127.84 = 587,436.50 : x
  2. Step 2: Convert to fraction form
    1,028,960.82/1,420,127.84 = 587,436.50/x
  3. Step 3: Cross multiply
    1,028,960.82x = 1,420,127.84 × 587,436.50
  4. Step 4: Simplify right side
    1,028,960.82x = 834,234,932,901.07
  5. Step 5: Solve for x
    x = 834,234,932,901.07/1,028,960.82
  6. Step 6: Final answer
    x = 810,754.81

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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.