Home / 1,201,981.05-1,802,964.78-303,419.10

Finding the Fourth Proportional to 1,201,981.05, 1,802,964.78 and 303,419.10

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Solution

The fourth proportional to 1,201,981.05, 1,802,964.78 and 303,419.10 is: 455,126.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,981.05 : 1,802,964.78 = 303,419.10 : x
  2. Step 2: Convert to fraction form
    1,201,981.05/1,802,964.78 = 303,419.10/x
  3. Step 3: Cross multiply
    1,201,981.05x = 1,802,964.78 × 303,419.10
  4. Step 4: Simplify right side
    1,201,981.05x = 547,053,950,879.30
  5. Step 5: Solve for x
    x = 547,053,950,879.30/1,201,981.05
  6. Step 6: Final answer
    x = 455,126.93

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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.