Home / 1,070,558.37-1,477,147.19-726,660.45

Finding the Fourth Proportional to 1,070,558.37, 1,477,147.19 and 726,660.45

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Solution

The fourth proportional to 1,070,558.37, 1,477,147.19 and 726,660.45 is: 1,002,639.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,558.37 : 1,477,147.19 = 726,660.45 : x
  2. Step 2: Convert to fraction form
    1,070,558.37/1,477,147.19 = 726,660.45/x
  3. Step 3: Cross multiply
    1,070,558.37x = 1,477,147.19 × 726,660.45
  4. Step 4: Simplify right side
    1,070,558.37x = 1,073,384,438,168.33
  5. Step 5: Solve for x
    x = 1,073,384,438,168.33/1,070,558.37
  6. Step 6: Final answer
    x = 1,002,639.81

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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.