Home / 1,397,749.32-2,096,670.86-386,786.70

Finding the Fourth Proportional to 1,397,749.32, 2,096,670.86 and 386,786.70

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Solution

The fourth proportional to 1,397,749.32, 2,096,670.86 and 386,786.70 is: 580,193.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,397,749.32 : 2,096,670.86 = 386,786.70 : x
  2. Step 2: Convert to fraction form
    1,397,749.32/2,096,670.86 = 386,786.70/x
  3. Step 3: Cross multiply
    1,397,749.32x = 2,096,670.86 × 386,786.70
  4. Step 4: Simplify right side
    1,397,749.32x = 810,964,400,991.63
  5. Step 5: Solve for x
    x = 810,964,400,991.63/1,397,749.32
  6. Step 6: Final answer
    x = 580,193.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.