Home / 1,271,542.52-1,907,315.40-324,914.16

Finding the Fourth Proportional to 1,271,542.52, 1,907,315.40 and 324,914.16

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Solution

The fourth proportional to 1,271,542.52, 1,907,315.40 and 324,914.16 is: 487,371.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,542.52 : 1,907,315.40 = 324,914.16 : x
  2. Step 2: Convert to fraction form
    1,271,542.52/1,907,315.40 = 324,914.16/x
  3. Step 3: Cross multiply
    1,271,542.52x = 1,907,315.40 × 324,914.16
  4. Step 4: Simplify right side
    1,271,542.52x = 619,713,781,046.06
  5. Step 5: Solve for x
    x = 619,713,781,046.06/1,271,542.52
  6. Step 6: Final answer
    x = 487,371.65

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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.