Home / 1,207,149.41-1,811,004.55-354,186.61

Finding the Fourth Proportional to 1,207,149.41, 1,811,004.55 and 354,186.61

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Solution

The fourth proportional to 1,207,149.41, 1,811,004.55 and 354,186.61 is: 531,362.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,149.41 : 1,811,004.55 = 354,186.61 : x
  2. Step 2: Convert to fraction form
    1,207,149.41/1,811,004.55 = 354,186.61/x
  3. Step 3: Cross multiply
    1,207,149.41x = 1,811,004.55 × 354,186.61
  4. Step 4: Simplify right side
    1,207,149.41x = 641,433,556,846.10
  5. Step 5: Solve for x
    x = 641,433,556,846.10/1,207,149.41
  6. Step 6: Final answer
    x = 531,362.19

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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.