Home / 1,113,944.28-1,670,480.55-394,007.79

Finding the Fourth Proportional to 1,113,944.28, 1,670,480.55 and 394,007.79

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Solution

The fourth proportional to 1,113,944.28, 1,670,480.55 and 394,007.79 is: 590,857.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,944.28 : 1,670,480.55 = 394,007.79 : x
  2. Step 2: Convert to fraction form
    1,113,944.28/1,670,480.55 = 394,007.79/x
  3. Step 3: Cross multiply
    1,113,944.28x = 1,670,480.55 × 394,007.79
  4. Step 4: Simplify right side
    1,113,944.28x = 658,182,349,743.49
  5. Step 5: Solve for x
    x = 658,182,349,743.49/1,113,944.28
  6. Step 6: Final answer
    x = 590,857.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.