Home / 1,262,101.44-1,741,702.14-689,129.40

Finding the Fourth Proportional to 1,262,101.44, 1,741,702.14 and 689,129.40

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Solution

The fourth proportional to 1,262,101.44, 1,741,702.14 and 689,129.40 is: 950,999.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,101.44 : 1,741,702.14 = 689,129.40 : x
  2. Step 2: Convert to fraction form
    1,262,101.44/1,741,702.14 = 689,129.40/x
  3. Step 3: Cross multiply
    1,262,101.44x = 1,741,702.14 × 689,129.40
  4. Step 4: Simplify right side
    1,262,101.44x = 1,200,258,150,716.92
  5. Step 5: Solve for x
    x = 1,200,258,150,716.92/1,262,101.44
  6. Step 6: Final answer
    x = 950,999.75

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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.