Finding the Fourth Proportional to 1,219,369.14, 1,682,723.97 and 703,120.50
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Solution
The fourth proportional to 1,219,369.14, 1,682,723.97 and 703,120.50 is: 970,303.15
Step by Step Solution
- Step 1: Write the proportion equation
1,219,369.14 : 1,682,723.97 = 703,120.50 : x - Step 2: Convert to fraction form
1,219,369.14/1,682,723.97 = 703,120.50/x - Step 3: Cross multiply
1,219,369.14x = 1,682,723.97 × 703,120.50 - Step 4: Simplify right side
1,219,369.14x = 1,183,157,719,148.39 - Step 5: Solve for x
x = 1,183,157,719,148.39/1,219,369.14 - Step 6: Final answer
x = 970,303.15
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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.