Home / 866,282.66-1,293,078.98-764,018.54

Finding the Fourth Proportional to 866,282.66, 1,293,078.98 and 764,018.54

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Solution

The fourth proportional to 866,282.66, 1,293,078.98 and 764,018.54 is: 1,140,431.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,282.66 : 1,293,078.98 = 764,018.54 : x
  2. Step 2: Convert to fraction form
    866,282.66/1,293,078.98 = 764,018.54/x
  3. Step 3: Cross multiply
    866,282.66x = 1,293,078.98 × 764,018.54
  4. Step 4: Simplify right side
    866,282.66x = 987,936,304,118.80
  5. Step 5: Solve for x
    x = 987,936,304,118.80/866,282.66
  6. Step 6: Final answer
    x = 1,140,431.82

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.