Home / 1,673,285.07-2,308,481.46-1,238,742.54

Finding the Fourth Proportional to 1,673,285.07, 2,308,481.46 and 1,238,742.54

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Solution

The fourth proportional to 1,673,285.07, 2,308,481.46 and 1,238,742.54 is: 1,708,982.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,285.07 : 2,308,481.46 = 1,238,742.54 : x
  2. Step 2: Convert to fraction form
    1,673,285.07/2,308,481.46 = 1,238,742.54/x
  3. Step 3: Cross multiply
    1,673,285.07x = 2,308,481.46 × 1,238,742.54
  4. Step 4: Simplify right side
    1,673,285.07x = 2,859,614,187,303.31
  5. Step 5: Solve for x
    x = 2,859,614,187,303.31/1,673,285.07
  6. Step 6: Final answer
    x = 1,708,982.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.