Home / 1,396,635.41-2,094,570.77-385,515.65

Finding the Fourth Proportional to 1,396,635.41, 2,094,570.77 and 385,515.65

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Solution

The fourth proportional to 1,396,635.41, 2,094,570.77 and 385,515.65 is: 578,167.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,396,635.41 : 2,094,570.77 = 385,515.65 : x
  2. Step 2: Convert to fraction form
    1,396,635.41/2,094,570.77 = 385,515.65/x
  3. Step 3: Cross multiply
    1,396,635.41x = 2,094,570.77 × 385,515.65
  4. Step 4: Simplify right side
    1,396,635.41x = 807,489,811,867.55
  5. Step 5: Solve for x
    x = 807,489,811,867.55/1,396,635.41
  6. Step 6: Final answer
    x = 578,167.94

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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.