Home / 1,143,396.44-1,577,847.40-634,146.20

Finding the Fourth Proportional to 1,143,396.44, 1,577,847.40 and 634,146.20

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Solution

The fourth proportional to 1,143,396.44, 1,577,847.40 and 634,146.20 is: 875,099.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,396.44 : 1,577,847.40 = 634,146.20 : x
  2. Step 2: Convert to fraction form
    1,143,396.44/1,577,847.40 = 634,146.20/x
  3. Step 3: Cross multiply
    1,143,396.44x = 1,577,847.40 × 634,146.20
  4. Step 4: Simplify right side
    1,143,396.44x = 1,000,585,932,889.88
  5. Step 5: Solve for x
    x = 1,000,585,932,889.88/1,143,396.44
  6. Step 6: Final answer
    x = 875,099.74

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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.