Home / 1,012,000.22-1,518,419.96-443,087.70

Finding the Fourth Proportional to 1,012,000.22, 1,518,419.96 and 443,087.70

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Solution

The fourth proportional to 1,012,000.22, 1,518,419.96 and 443,087.70 is: 664,815.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,000.22 : 1,518,419.96 = 443,087.70 : x
  2. Step 2: Convert to fraction form
    1,012,000.22/1,518,419.96 = 443,087.70/x
  3. Step 3: Cross multiply
    1,012,000.22x = 1,518,419.96 × 443,087.70
  4. Step 4: Simplify right side
    1,012,000.22x = 672,793,205,495.05
  5. Step 5: Solve for x
    x = 672,793,205,495.05/1,012,000.22
  6. Step 6: Final answer
    x = 664,815.28

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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.