Home / 1,262,107.47-1,741,701.37-689,143.58

Finding the Fourth Proportional to 1,262,107.47, 1,741,701.37 and 689,143.58

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Solution

The fourth proportional to 1,262,107.47, 1,741,701.37 and 689,143.58 is: 951,014.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,107.47 : 1,741,701.37 = 689,143.58 : x
  2. Step 2: Convert to fraction form
    1,262,107.47/1,741,701.37 = 689,143.58/x
  3. Step 3: Cross multiply
    1,262,107.47x = 1,741,701.37 × 689,143.58
  4. Step 4: Simplify right side
    1,262,107.47x = 1,200,282,317,412.70
  5. Step 5: Solve for x
    x = 1,200,282,317,412.70/1,262,107.47
  6. Step 6: Final answer
    x = 951,014.35

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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.