Home / 1,409,443.25-1,945,032.93-764,863.44

Finding the Fourth Proportional to 1,409,443.25, 1,945,032.93 and 764,863.44

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Solution

The fourth proportional to 1,409,443.25, 1,945,032.93 and 764,863.44 is: 1,055,512.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,443.25 : 1,945,032.93 = 764,863.44 : x
  2. Step 2: Convert to fraction form
    1,409,443.25/1,945,032.93 = 764,863.44/x
  3. Step 3: Cross multiply
    1,409,443.25x = 1,945,032.93 × 764,863.44
  4. Step 4: Simplify right side
    1,409,443.25x = 1,487,684,573,936.01
  5. Step 5: Solve for x
    x = 1,487,684,573,936.01/1,409,443.25
  6. Step 6: Final answer
    x = 1,055,512.22

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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.