Home / 1,339,266.96-2,008,942.56-486,511.92

Finding the Fourth Proportional to 1,339,266.96, 2,008,942.56 and 486,511.92

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Solution

The fourth proportional to 1,339,266.96, 2,008,942.56 and 486,511.92 is: 729,783.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,266.96 : 2,008,942.56 = 486,511.92 : x
  2. Step 2: Convert to fraction form
    1,339,266.96/2,008,942.56 = 486,511.92/x
  3. Step 3: Cross multiply
    1,339,266.96x = 2,008,942.56 × 486,511.92
  4. Step 4: Simplify right side
    1,339,266.96x = 977,374,502,035.32
  5. Step 5: Solve for x
    x = 977,374,502,035.32/1,339,266.96
  6. Step 6: Final answer
    x = 729,783.18

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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.