Home / 1,239,936.96-1,710,097.92-873,628.32

Finding the Fourth Proportional to 1,239,936.96, 1,710,097.92 and 873,628.32

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Solution

The fourth proportional to 1,239,936.96, 1,710,097.92 and 873,628.32 is: 1,204,891.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,936.96 : 1,710,097.92 = 873,628.32 : x
  2. Step 2: Convert to fraction form
    1,239,936.96/1,710,097.92 = 873,628.32/x
  3. Step 3: Cross multiply
    1,239,936.96x = 1,710,097.92 × 873,628.32
  4. Step 4: Simplify right side
    1,239,936.96x = 1,493,989,972,885.09
  5. Step 5: Solve for x
    x = 1,493,989,972,885.09/1,239,936.96
  6. Step 6: Final answer
    x = 1,204,891.88

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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.