Home / 1,333,992.08-1,840,906.94-722,144.67

Finding the Fourth Proportional to 1,333,992.08, 1,840,906.94 and 722,144.67

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Solution

The fourth proportional to 1,333,992.08, 1,840,906.94 and 722,144.67 is: 996,558.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,992.08 : 1,840,906.94 = 722,144.67 : x
  2. Step 2: Convert to fraction form
    1,333,992.08/1,840,906.94 = 722,144.67/x
  3. Step 3: Cross multiply
    1,333,992.08x = 1,840,906.94 × 722,144.67
  4. Step 4: Simplify right side
    1,333,992.08x = 1,329,401,144,749.79
  5. Step 5: Solve for x
    x = 1,329,401,144,749.79/1,333,992.08
  6. Step 6: Final answer
    x = 996,558.50

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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.