Home / 1,269,538.30-1,751,964.96-696,582.78

Finding the Fourth Proportional to 1,269,538.30, 1,751,964.96 and 696,582.78

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Solution

The fourth proportional to 1,269,538.30, 1,751,964.96 and 696,582.78 is: 961,285.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,538.30 : 1,751,964.96 = 696,582.78 : x
  2. Step 2: Convert to fraction form
    1,269,538.30/1,751,964.96 = 696,582.78/x
  3. Step 3: Cross multiply
    1,269,538.30x = 1,751,964.96 × 696,582.78
  4. Step 4: Simplify right side
    1,269,538.30x = 1,220,388,622,299.39
  5. Step 5: Solve for x
    x = 1,220,388,622,299.39/1,269,538.30
  6. Step 6: Final answer
    x = 961,285.39

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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.