Home / 1,332,162.45-1,997,942.28-611,811.63

Finding the Fourth Proportional to 1,332,162.45, 1,997,942.28 and 611,811.63

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Solution

The fourth proportional to 1,332,162.45, 1,997,942.28 and 611,811.63 is: 917,579.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,162.45 : 1,997,942.28 = 611,811.63 : x
  2. Step 2: Convert to fraction form
    1,332,162.45/1,997,942.28 = 611,811.63/x
  3. Step 3: Cross multiply
    1,332,162.45x = 1,997,942.28 × 611,811.63
  4. Step 4: Simplify right side
    1,332,162.45x = 1,222,364,322,972.72
  5. Step 5: Solve for x
    x = 1,222,364,322,972.72/1,332,162.45
  6. Step 6: Final answer
    x = 917,579.03

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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.