Home / 1,409,571.39-1,945,223.06-764,997.15

Finding the Fourth Proportional to 1,409,571.39, 1,945,223.06 and 764,997.15

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Solution

The fourth proportional to 1,409,571.39, 1,945,223.06 and 764,997.15 is: 1,055,703.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,571.39 : 1,945,223.06 = 764,997.15 : x
  2. Step 2: Convert to fraction form
    1,409,571.39/1,945,223.06 = 764,997.15/x
  3. Step 3: Cross multiply
    1,409,571.39x = 1,945,223.06 × 764,997.15
  4. Step 4: Simplify right side
    1,409,571.39x = 1,488,090,093,189.29
  5. Step 5: Solve for x
    x = 1,488,090,093,189.29/1,409,571.39
  6. Step 6: Final answer
    x = 1,055,703.96

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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.