Home / 1,355,682.56-1,871,001.60-752,109.44

Finding the Fourth Proportional to 1,355,682.56, 1,871,001.60 and 752,109.44

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Solution

The fourth proportional to 1,355,682.56, 1,871,001.60 and 752,109.44 is: 1,037,999.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,682.56 : 1,871,001.60 = 752,109.44 : x
  2. Step 2: Convert to fraction form
    1,355,682.56/1,871,001.60 = 752,109.44/x
  3. Step 3: Cross multiply
    1,355,682.56x = 1,871,001.60 × 752,109.44
  4. Step 4: Simplify right side
    1,355,682.56x = 1,407,197,965,615.10
  5. Step 5: Solve for x
    x = 1,407,197,965,615.10/1,355,682.56
  6. Step 6: Final answer
    x = 1,037,999.61

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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.