Home / 1,271,638.83-1,907,453.39-325,008.03

Finding the Fourth Proportional to 1,271,638.83, 1,907,453.39 and 325,008.03

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Solution

The fourth proportional to 1,271,638.83, 1,907,453.39 and 325,008.03 is: 487,510.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,638.83 : 1,907,453.39 = 325,008.03 : x
  2. Step 2: Convert to fraction form
    1,271,638.83/1,907,453.39 = 325,008.03/x
  3. Step 3: Cross multiply
    1,271,638.83x = 1,907,453.39 × 325,008.03
  4. Step 4: Simplify right side
    1,271,638.83x = 619,937,668,600.72
  5. Step 5: Solve for x
    x = 619,937,668,600.72/1,271,638.83
  6. Step 6: Final answer
    x = 487,510.80

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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.