Home / 1,262,112.48-1,741,708.28-689,148.58

Finding the Fourth Proportional to 1,262,112.48, 1,741,708.28 and 689,148.58

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Solution

The fourth proportional to 1,262,112.48, 1,741,708.28 and 689,148.58 is: 951,021.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,112.48 : 1,741,708.28 = 689,148.58 : x
  2. Step 2: Convert to fraction form
    1,262,112.48/1,741,708.28 = 689,148.58/x
  3. Step 3: Cross multiply
    1,262,112.48x = 1,741,708.28 × 689,148.58
  4. Step 4: Simplify right side
    1,262,112.48x = 1,200,295,787,936.24
  5. Step 5: Solve for x
    x = 1,200,295,787,936.24/1,262,112.48
  6. Step 6: Final answer
    x = 951,021.25

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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.