Home / 1,333,992.17-1,840,907.07-722,144.77

Finding the Fourth Proportional to 1,333,992.17, 1,840,907.07 and 722,144.77

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Solution

The fourth proportional to 1,333,992.17, 1,840,907.07 and 722,144.77 is: 996,558.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,992.17 : 1,840,907.07 = 722,144.77 : x
  2. Step 2: Convert to fraction form
    1,333,992.17/1,840,907.07 = 722,144.77/x
  3. Step 3: Cross multiply
    1,333,992.17x = 1,840,907.07 × 722,144.77
  4. Step 4: Simplify right side
    1,333,992.17x = 1,329,401,410,085.29
  5. Step 5: Solve for x
    x = 1,329,401,410,085.29/1,333,992.17
  6. Step 6: Final answer
    x = 996,558.63

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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.