Home / 1,081,142.12-1,621,715.10-333,183.08

Finding the Fourth Proportional to 1,081,142.12, 1,621,715.10 and 333,183.08

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Solution

The fourth proportional to 1,081,142.12, 1,621,715.10 and 333,183.08 is: 499,775.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,142.12 : 1,621,715.10 = 333,183.08 : x
  2. Step 2: Convert to fraction form
    1,081,142.12/1,621,715.10 = 333,183.08/x
  3. Step 3: Cross multiply
    1,081,142.12x = 1,621,715.10 × 333,183.08
  4. Step 4: Simplify right side
    1,081,142.12x = 540,328,031,900.51
  5. Step 5: Solve for x
    x = 540,328,031,900.51/1,081,142.12
  6. Step 6: Final answer
    x = 499,775.21

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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.