Home / 996,611.22-1,375,142.40-588,779.46

Finding the Fourth Proportional to 996,611.22, 1,375,142.40 and 588,779.46

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Solution

The fourth proportional to 996,611.22, 1,375,142.40 and 588,779.46 is: 812,408.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,611.22 : 1,375,142.40 = 588,779.46 : x
  2. Step 2: Convert to fraction form
    996,611.22/1,375,142.40 = 588,779.46/x
  3. Step 3: Cross multiply
    996,611.22x = 1,375,142.40 × 588,779.46
  4. Step 4: Simplify right side
    996,611.22x = 809,655,599,695.10
  5. Step 5: Solve for x
    x = 809,655,599,695.10/996,611.22
  6. Step 6: Final answer
    x = 812,408.67

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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.