Home / 1,308,004.90-1,805,539.98-764,317.41

Finding the Fourth Proportional to 1,308,004.90, 1,805,539.98 and 764,317.41

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Solution

The fourth proportional to 1,308,004.90, 1,805,539.98 and 764,317.41 is: 1,055,046.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,004.90 : 1,805,539.98 = 764,317.41 : x
  2. Step 2: Convert to fraction form
    1,308,004.90/1,805,539.98 = 764,317.41/x
  3. Step 3: Cross multiply
    1,308,004.90x = 1,805,539.98 × 764,317.41
  4. Step 4: Simplify right side
    1,308,004.90x = 1,380,005,641,165.05
  5. Step 5: Solve for x
    x = 1,380,005,641,165.05/1,308,004.90
  6. Step 6: Final answer
    x = 1,055,046.23

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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.