Finding the Fourth Proportional to 1,213,252.22, 1,674,283.37 and 669,421.87
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Solution
The fourth proportional to 1,213,252.22, 1,674,283.37 and 669,421.87 is: 923,799.58
Step by Step Solution
- Step 1: Write the proportion equation
1,213,252.22 : 1,674,283.37 = 669,421.87 : x - Step 2: Convert to fraction form
1,213,252.22/1,674,283.37 = 669,421.87/x - Step 3: Cross multiply
1,213,252.22x = 1,674,283.37 × 669,421.87 - Step 4: Simplify right side
1,213,252.22x = 1,120,801,896,922.48 - Step 5: Solve for x
x = 1,120,801,896,922.48/1,213,252.22 - Step 6: Final answer
x = 923,799.58
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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.