Home / 1,261,926.12-1,741,501.98-718,143.96

Finding the Fourth Proportional to 1,261,926.12, 1,741,501.98 and 718,143.96

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Solution

The fourth proportional to 1,261,926.12, 1,741,501.98 and 718,143.96 is: 991,063.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,926.12 : 1,741,501.98 = 718,143.96 : x
  2. Step 2: Convert to fraction form
    1,261,926.12/1,741,501.98 = 718,143.96/x
  3. Step 3: Cross multiply
    1,261,926.12x = 1,741,501.98 × 718,143.96
  4. Step 4: Simplify right side
    1,261,926.12x = 1,250,649,128,265.04
  5. Step 5: Solve for x
    x = 1,250,649,128,265.04/1,261,926.12
  6. Step 6: Final answer
    x = 991,063.67

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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.