Home / 1,157,542.52-1,597,120.13-667,661.81

Finding the Fourth Proportional to 1,157,542.52, 1,597,120.13 and 667,661.81

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Solution

The fourth proportional to 1,157,542.52, 1,597,120.13 and 667,661.81 is: 921,206.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,542.52 : 1,597,120.13 = 667,661.81 : x
  2. Step 2: Convert to fraction form
    1,157,542.52/1,597,120.13 = 667,661.81/x
  3. Step 3: Cross multiply
    1,157,542.52x = 1,597,120.13 × 667,661.81
  4. Step 4: Simplify right side
    1,157,542.52x = 1,066,336,110,466.79
  5. Step 5: Solve for x
    x = 1,066,336,110,466.79/1,157,542.52
  6. Step 6: Final answer
    x = 921,206.86

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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.