Home / 1,308,361.41-1,805,274.08-764,392.14

Finding the Fourth Proportional to 1,308,361.41, 1,805,274.08 and 764,392.14

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Solution

The fourth proportional to 1,308,361.41, 1,805,274.08 and 764,392.14 is: 1,054,706.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,361.41 : 1,805,274.08 = 764,392.14 : x
  2. Step 2: Convert to fraction form
    1,308,361.41/1,805,274.08 = 764,392.14/x
  3. Step 3: Cross multiply
    1,308,361.41x = 1,805,274.08 × 764,392.14
  4. Step 4: Simplify right side
    1,308,361.41x = 1,379,937,320,641.95
  5. Step 5: Solve for x
    x = 1,379,937,320,641.95/1,308,361.41
  6. Step 6: Final answer
    x = 1,054,706.53

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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.