Home / 1,945,743.37-2,918,315.66-648,918.56

Finding the Fourth Proportional to 1,945,743.37, 2,918,315.66 and 648,918.56

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Solution

The fourth proportional to 1,945,743.37, 2,918,315.66 and 648,918.56 is: 973,277.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,743.37 : 2,918,315.66 = 648,918.56 : x
  2. Step 2: Convert to fraction form
    1,945,743.37/2,918,315.66 = 648,918.56/x
  3. Step 3: Cross multiply
    1,945,743.37x = 2,918,315.66 × 648,918.56
  4. Step 4: Simplify right side
    1,945,743.37x = 1,893,749,195,712.65
  5. Step 5: Solve for x
    x = 1,893,749,195,712.65/1,945,743.37
  6. Step 6: Final answer
    x = 973,277.99

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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.