Home / 1,219,313.75-1,830,105.44-620,723.03

Finding the Fourth Proportional to 1,219,313.75, 1,830,105.44 and 620,723.03

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Solution

The fourth proportional to 1,219,313.75, 1,830,105.44 and 620,723.03 is: 931,662.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,313.75 : 1,830,105.44 = 620,723.03 : x
  2. Step 2: Convert to fraction form
    1,219,313.75/1,830,105.44 = 620,723.03/x
  3. Step 3: Cross multiply
    1,219,313.75x = 1,830,105.44 × 620,723.03
  4. Step 4: Simplify right side
    1,219,313.75x = 1,135,988,581,682.14
  5. Step 5: Solve for x
    x = 1,135,988,581,682.14/1,219,313.75
  6. Step 6: Final answer
    x = 931,662.25

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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.