Home / 1,039,395.54-1,559,240.94-319,796.86

Finding the Fourth Proportional to 1,039,395.54, 1,559,240.94 and 319,796.86

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Solution

The fourth proportional to 1,039,395.54, 1,559,240.94 and 319,796.86 is: 479,740.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,395.54 : 1,559,240.94 = 319,796.86 : x
  2. Step 2: Convert to fraction form
    1,039,395.54/1,559,240.94 = 319,796.86/x
  3. Step 3: Cross multiply
    1,039,395.54x = 1,559,240.94 × 319,796.86
  4. Step 4: Simplify right side
    1,039,395.54x = 498,640,355,021.30
  5. Step 5: Solve for x
    x = 498,640,355,021.30/1,039,395.54
  6. Step 6: Final answer
    x = 479,740.71

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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.