Home / 1,242,738.14-1,714,962.32-698,873.76

Finding the Fourth Proportional to 1,242,738.14, 1,714,962.32 and 698,873.76

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Solution

The fourth proportional to 1,242,738.14, 1,714,962.32 and 698,873.76 is: 964,436.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,738.14 : 1,714,962.32 = 698,873.76 : x
  2. Step 2: Convert to fraction form
    1,242,738.14/1,714,962.32 = 698,873.76/x
  3. Step 3: Cross multiply
    1,242,738.14x = 1,714,962.32 × 698,873.76
  4. Step 4: Simplify right side
    1,242,738.14x = 1,198,542,164,836.72
  5. Step 5: Solve for x
    x = 1,198,542,164,836.72/1,242,738.14
  6. Step 6: Final answer
    x = 964,436.61

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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.