Home / 1,207,447.70-1,811,233.58-308,897.23

Finding the Fourth Proportional to 1,207,447.70, 1,811,233.58 and 308,897.23

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Solution

The fourth proportional to 1,207,447.70, 1,811,233.58 and 308,897.23 is: 463,361.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,447.70 : 1,811,233.58 = 308,897.23 : x
  2. Step 2: Convert to fraction form
    1,207,447.70/1,811,233.58 = 308,897.23/x
  3. Step 3: Cross multiply
    1,207,447.70x = 1,811,233.58 × 308,897.23
  4. Step 4: Simplify right side
    1,207,447.70x = 559,485,031,989.14
  5. Step 5: Solve for x
    x = 559,485,031,989.14/1,207,447.70
  6. Step 6: Final answer
    x = 463,361.71

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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.