Finding the Fourth Proportional to 1,040,702.44, 1,436,409.34 and 677,493.68
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Solution
The fourth proportional to 1,040,702.44, 1,436,409.34 and 677,493.68 is: 935,097.50
Step by Step Solution
- Step 1: Write the proportion equation
1,040,702.44 : 1,436,409.34 = 677,493.68 : x - Step 2: Convert to fraction form
1,040,702.44/1,436,409.34 = 677,493.68/x - Step 3: Cross multiply
1,040,702.44x = 1,436,409.34 × 677,493.68 - Step 4: Simplify right side
1,040,702.44x = 973,158,249,742.97 - Step 5: Solve for x
x = 973,158,249,742.97/1,040,702.44 - Step 6: Final answer
x = 935,097.50
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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.