Home / 1,356,321.63-1,871,725.64-744,477.87

Finding the Fourth Proportional to 1,356,321.63, 1,871,725.64 and 744,477.87

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Solution

The fourth proportional to 1,356,321.63, 1,871,725.64 and 744,477.87 is: 1,027,380.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,321.63 : 1,871,725.64 = 744,477.87 : x
  2. Step 2: Convert to fraction form
    1,356,321.63/1,871,725.64 = 744,477.87/x
  3. Step 3: Cross multiply
    1,356,321.63x = 1,871,725.64 × 744,477.87
  4. Step 4: Simplify right side
    1,356,321.63x = 1,393,458,313,969.20
  5. Step 5: Solve for x
    x = 1,393,458,313,969.20/1,356,321.63
  6. Step 6: Final answer
    x = 1,027,380.44

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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.