Home / 1,080,507.76-1,620,853.68-322,300.36

Finding the Fourth Proportional to 1,080,507.76, 1,620,853.68 and 322,300.36

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Solution

The fourth proportional to 1,080,507.76, 1,620,853.68 and 322,300.36 is: 483,477.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,507.76 : 1,620,853.68 = 322,300.36 : x
  2. Step 2: Convert to fraction form
    1,080,507.76/1,620,853.68 = 322,300.36/x
  3. Step 3: Cross multiply
    1,080,507.76x = 1,620,853.68 × 322,300.36
  4. Step 4: Simplify right side
    1,080,507.76x = 522,401,724,571.33
  5. Step 5: Solve for x
    x = 522,401,724,571.33/1,080,507.76
  6. Step 6: Final answer
    x = 483,477.99

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Double scale
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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.