Home / 1,219,704.37-1,828,338.60-815,237.25

Finding the Fourth Proportional to 1,219,704.37, 1,828,338.60 and 815,237.25

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Solution

The fourth proportional to 1,219,704.37, 1,828,338.60 and 815,237.25 is: 1,222,041.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,704.37 : 1,828,338.60 = 815,237.25 : x
  2. Step 2: Convert to fraction form
    1,219,704.37/1,828,338.60 = 815,237.25/x
  3. Step 3: Cross multiply
    1,219,704.37x = 1,828,338.60 × 815,237.25
  4. Step 4: Simplify right side
    1,219,704.37x = 1,490,529,732,332.85
  5. Step 5: Solve for x
    x = 1,490,529,732,332.85/1,219,704.37
  6. Step 6: Final answer
    x = 1,222,041.81

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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.