Home / 1,308,352.62-1,805,262-764,383.36

Finding the Fourth Proportional to 1,308,352.62, 1,805,262 and 764,383.36

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Solution

The fourth proportional to 1,308,352.62, 1,805,262 and 764,383.36 is: 1,054,694.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,352.62 : 1,805,262 = 764,383.36 : x
  2. Step 2: Convert to fraction form
    1,308,352.62/1,805,262 = 764,383.36/x
  3. Step 3: Cross multiply
    1,308,352.62x = 1,805,262 × 764,383.36
  4. Step 4: Simplify right side
    1,308,352.62x = 1,379,912,233,240.32
  5. Step 5: Solve for x
    x = 1,379,912,233,240.32/1,308,352.62
  6. Step 6: Final answer
    x = 1,054,694.44

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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.