Home / 1,206,379.80-1,664,798.09-655,090.61

Finding the Fourth Proportional to 1,206,379.80, 1,664,798.09 and 655,090.61

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Solution

The fourth proportional to 1,206,379.80, 1,664,798.09 and 655,090.61 is: 904,021.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,379.80 : 1,664,798.09 = 655,090.61 : x
  2. Step 2: Convert to fraction form
    1,206,379.80/1,664,798.09 = 655,090.61/x
  3. Step 3: Cross multiply
    1,206,379.80x = 1,664,798.09 × 655,090.61
  4. Step 4: Simplify right side
    1,206,379.80x = 1,090,593,587,162.08
  5. Step 5: Solve for x
    x = 1,090,593,587,162.08/1,206,379.80
  6. Step 6: Final answer
    x = 904,021.75

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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.