Home / 1,228,091.36-1,842,555.44-749,277.76

Finding the Fourth Proportional to 1,228,091.36, 1,842,555.44 and 749,277.76

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Solution

The fourth proportional to 1,228,091.36, 1,842,555.44 and 749,277.76 is: 1,124,171.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,091.36 : 1,842,555.44 = 749,277.76 : x
  2. Step 2: Convert to fraction form
    1,228,091.36/1,842,555.44 = 749,277.76/x
  3. Step 3: Cross multiply
    1,228,091.36x = 1,842,555.44 × 749,277.76
  4. Step 4: Simplify right side
    1,228,091.36x = 1,380,585,812,759.01
  5. Step 5: Solve for x
    x = 1,380,585,812,759.01/1,228,091.36
  6. Step 6: Final answer
    x = 1,124,171.91

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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.