Home / 1,308,351.62-1,805,260.62-764,382.36

Finding the Fourth Proportional to 1,308,351.62, 1,805,260.62 and 764,382.36

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Solution

The fourth proportional to 1,308,351.62, 1,805,260.62 and 764,382.36 is: 1,054,693.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,351.62 : 1,805,260.62 = 764,382.36 : x
  2. Step 2: Convert to fraction form
    1,308,351.62/1,805,260.62 = 764,382.36/x
  3. Step 3: Cross multiply
    1,308,351.62x = 1,805,260.62 × 764,382.36
  4. Step 4: Simplify right side
    1,308,351.62x = 1,379,909,373,130.66
  5. Step 5: Solve for x
    x = 1,379,909,373,130.66/1,308,351.62
  6. Step 6: Final answer
    x = 1,054,693.06

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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.