Home / 1,703,120.91-2,555,174.46-505,072.06

Finding the Fourth Proportional to 1,703,120.91, 2,555,174.46 and 505,072.06

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Solution

The fourth proportional to 1,703,120.91, 2,555,174.46 and 505,072.06 is: 757,754.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703,120.91 : 2,555,174.46 = 505,072.06 : x
  2. Step 2: Convert to fraction form
    1,703,120.91/2,555,174.46 = 505,072.06/x
  3. Step 3: Cross multiply
    1,703,120.91x = 2,555,174.46 × 505,072.06
  4. Step 4: Simplify right side
    1,703,120.91x = 1,290,547,221,783.65
  5. Step 5: Solve for x
    x = 1,290,547,221,783.65/1,703,120.91
  6. Step 6: Final answer
    x = 757,754.32

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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.