Home / 1,509,142.05-2,082,614.54-864,564.81

Finding the Fourth Proportional to 1,509,142.05, 2,082,614.54 and 864,564.81

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Solution

The fourth proportional to 1,509,142.05, 2,082,614.54 and 864,564.81 is: 1,193,098.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509,142.05 : 2,082,614.54 = 864,564.81 : x
  2. Step 2: Convert to fraction form
    1,509,142.05/2,082,614.54 = 864,564.81/x
  3. Step 3: Cross multiply
    1,509,142.05x = 2,082,614.54 × 864,564.81
  4. Step 4: Simplify right side
    1,509,142.05x = 1,800,555,239,755.51
  5. Step 5: Solve for x
    x = 1,800,555,239,755.51/1,509,142.05
  6. Step 6: Final answer
    x = 1,193,098.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.