Home / 1,308,370.41-1,805,286.51-764,401.14

Finding the Fourth Proportional to 1,308,370.41, 1,805,286.51 and 764,401.14

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Solution

The fourth proportional to 1,308,370.41, 1,805,286.51 and 764,401.14 is: 1,054,718.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,370.41 : 1,805,286.51 = 764,401.14 : x
  2. Step 2: Convert to fraction form
    1,308,370.41/1,805,286.51 = 764,401.14/x
  3. Step 3: Cross multiply
    1,308,370.41x = 1,805,286.51 × 764,401.14
  4. Step 4: Simplify right side
    1,308,370.41x = 1,379,963,066,270.62
  5. Step 5: Solve for x
    x = 1,379,963,066,270.62/1,308,370.41
  6. Step 6: Final answer
    x = 1,054,718.95

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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.