Home / 1,080,509.76-1,620,856.68-322,302.36

Finding the Fourth Proportional to 1,080,509.76, 1,620,856.68 and 322,302.36

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Solution

The fourth proportional to 1,080,509.76, 1,620,856.68 and 322,302.36 is: 483,480.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,509.76 : 1,620,856.68 = 322,302.36 : x
  2. Step 2: Convert to fraction form
    1,080,509.76/1,620,856.68 = 322,302.36/x
  3. Step 3: Cross multiply
    1,080,509.76x = 1,620,856.68 × 322,302.36
  4. Step 4: Simplify right side
    1,080,509.76x = 522,405,933,185.77
  5. Step 5: Solve for x
    x = 522,405,933,185.77/1,080,509.76
  6. Step 6: Final answer
    x = 483,480.99

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1.5x scale

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.