Home / 1,396,313.83-2,094,429.03-385,497.55

Finding the Fourth Proportional to 1,396,313.83, 2,094,429.03 and 385,497.55

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Solution

The fourth proportional to 1,396,313.83, 2,094,429.03 and 385,497.55 is: 578,234.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,313.83 : 2,094,429.03 = 385,497.55 : x
  2. Step 2: Convert to fraction form
    1,396,313.83/2,094,429.03 = 385,497.55/x
  3. Step 3: Cross multiply
    1,396,313.83x = 2,094,429.03 × 385,497.55
  4. Step 4: Simplify right side
    1,396,313.83x = 807,397,259,713.88
  5. Step 5: Solve for x
    x = 807,397,259,713.88/1,396,313.83
  6. Step 6: Final answer
    x = 578,234.81

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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.