Home / 1,308,419.42-1,961,825.39-508,768.86

Finding the Fourth Proportional to 1,308,419.42, 1,961,825.39 and 508,768.86

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Solution

The fourth proportional to 1,308,419.42, 1,961,825.39 and 508,768.86 is: 762,840.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,419.42 : 1,961,825.39 = 508,768.86 : x
  2. Step 2: Convert to fraction form
    1,308,419.42/1,961,825.39 = 508,768.86/x
  3. Step 3: Cross multiply
    1,308,419.42x = 1,961,825.39 × 508,768.86
  4. Step 4: Simplify right side
    1,308,419.42x = 998,115,664,645.51
  5. Step 5: Solve for x
    x = 998,115,664,645.51/1,308,419.42
  6. Step 6: Final answer
    x = 762,840.76

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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.