Home / 1,355,857.58-1,871,078.26-744,020.57

Finding the Fourth Proportional to 1,355,857.58, 1,871,078.26 and 744,020.57

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Solution

The fourth proportional to 1,355,857.58, 1,871,078.26 and 744,020.57 is: 1,026,745.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,857.58 : 1,871,078.26 = 744,020.57 : x
  2. Step 2: Convert to fraction form
    1,355,857.58/1,871,078.26 = 744,020.57/x
  3. Step 3: Cross multiply
    1,355,857.58x = 1,871,078.26 × 744,020.57
  4. Step 4: Simplify right side
    1,355,857.58x = 1,392,120,713,519.81
  5. Step 5: Solve for x
    x = 1,392,120,713,519.81/1,355,857.58
  6. Step 6: Final answer
    x = 1,026,745.53

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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.