Home / 1,262,106.47-1,741,699.99-689,142.58

Finding the Fourth Proportional to 1,262,106.47, 1,741,699.99 and 689,142.58

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Solution

The fourth proportional to 1,262,106.47, 1,741,699.99 and 689,142.58 is: 951,012.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,106.47 : 1,741,699.99 = 689,142.58 : x
  2. Step 2: Convert to fraction form
    1,262,106.47/1,741,699.99 = 689,142.58/x
  3. Step 3: Cross multiply
    1,262,106.47x = 1,741,699.99 × 689,142.58
  4. Step 4: Simplify right side
    1,262,106.47x = 1,200,279,624,694.57
  5. Step 5: Solve for x
    x = 1,200,279,624,694.57/1,262,106.47
  6. Step 6: Final answer
    x = 951,012.97

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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.