Home / 1,222,923.72-1,826,150.65-998,729.22

Finding the Fourth Proportional to 1,222,923.72, 1,826,150.65 and 998,729.22

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Solution

The fourth proportional to 1,222,923.72, 1,826,150.65 and 998,729.22 is: 1,491,368.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,222,923.72 : 1,826,150.65 = 998,729.22 : x
  2. Step 2: Convert to fraction form
    1,222,923.72/1,826,150.65 = 998,729.22/x
  3. Step 3: Cross multiply
    1,222,923.72x = 1,826,150.65 × 998,729.22
  4. Step 4: Simplify right side
    1,222,923.72x = 1,823,830,014,276.99
  5. Step 5: Solve for x
    x = 1,823,830,014,276.99/1,222,923.72
  6. Step 6: Final answer
    x = 1,491,368.58

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.