Home / 1,269,438.96-1,751,944.40-725,468.51

Finding the Fourth Proportional to 1,269,438.96, 1,751,944.40 and 725,468.51

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Solution

The fourth proportional to 1,269,438.96, 1,751,944.40 and 725,468.51 is: 1,001,214.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,438.96 : 1,751,944.40 = 725,468.51 : x
  2. Step 2: Convert to fraction form
    1,269,438.96/1,751,944.40 = 725,468.51/x
  3. Step 3: Cross multiply
    1,269,438.96x = 1,751,944.40 × 725,468.51
  4. Step 4: Simplify right side
    1,269,438.96x = 1,270,980,493,470.84
  5. Step 5: Solve for x
    x = 1,270,980,493,470.84/1,269,438.96
  6. Step 6: Final answer
    x = 1,001,214.34

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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.