Home / 1,067,504.78-1,601,005.65-393,219.87

Finding the Fourth Proportional to 1,067,504.78, 1,601,005.65 and 393,219.87

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Solution

The fourth proportional to 1,067,504.78, 1,601,005.65 and 393,219.87 is: 589,737.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,504.78 : 1,601,005.65 = 393,219.87 : x
  2. Step 2: Convert to fraction form
    1,067,504.78/1,601,005.65 = 393,219.87/x
  3. Step 3: Cross multiply
    1,067,504.78x = 1,601,005.65 × 393,219.87
  4. Step 4: Simplify right side
    1,067,504.78x = 629,547,233,562.27
  5. Step 5: Solve for x
    x = 629,547,233,562.27/1,067,504.78
  6. Step 6: Final answer
    x = 589,737.16

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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.