Home / 1,333,992.12-1,840,907.01-722,144.72

Finding the Fourth Proportional to 1,333,992.12, 1,840,907.01 and 722,144.72

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Solution

The fourth proportional to 1,333,992.12, 1,840,907.01 and 722,144.72 is: 996,558.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,992.12 : 1,840,907.01 = 722,144.72 : x
  2. Step 2: Convert to fraction form
    1,333,992.12/1,840,907.01 = 722,144.72/x
  3. Step 3: Cross multiply
    1,333,992.12x = 1,840,907.01 × 722,144.72
  4. Step 4: Simplify right side
    1,333,992.12x = 1,329,401,280,079.39
  5. Step 5: Solve for x
    x = 1,329,401,280,079.39/1,333,992.12
  6. Step 6: Final answer
    x = 996,558.57

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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.