Home / 1,324,078.85-1,984,563.07-612,604.01

Finding the Fourth Proportional to 1,324,078.85, 1,984,563.07 and 612,604.01

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Solution

The fourth proportional to 1,324,078.85, 1,984,563.07 and 612,604.01 is: 918,186.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,078.85 : 1,984,563.07 = 612,604.01 : x
  2. Step 2: Convert to fraction form
    1,324,078.85/1,984,563.07 = 612,604.01/x
  3. Step 3: Cross multiply
    1,324,078.85x = 1,984,563.07 × 612,604.01
  4. Step 4: Simplify right side
    1,324,078.85x = 1,215,751,294,779.91
  5. Step 5: Solve for x
    x = 1,215,751,294,779.91/1,324,078.85
  6. Step 6: Final answer
    x = 918,186.48

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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.