Home / 1,308,419.92-1,961,826.14-508,769.36

Finding the Fourth Proportional to 1,308,419.92, 1,961,826.14 and 508,769.36

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Solution

The fourth proportional to 1,308,419.92, 1,961,826.14 and 508,769.36 is: 762,841.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,419.92 : 1,961,826.14 = 508,769.36 : x
  2. Step 2: Convert to fraction form
    1,308,419.92/1,961,826.14 = 508,769.36/x
  3. Step 3: Cross multiply
    1,308,419.92x = 1,961,826.14 × 508,769.36
  4. Step 4: Simplify right side
    1,308,419.92x = 998,117,027,135.22
  5. Step 5: Solve for x
    x = 998,117,027,135.22/1,308,419.92
  6. Step 6: Final answer
    x = 762,841.51

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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.