Finding the Fourth Proportional to 1,123,120.35, 1,684,063.58 and 553,247.55
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Solution
The fourth proportional to 1,123,120.35, 1,684,063.58 and 553,247.55 is: 829,567.42
Step by Step Solution
- Step 1: Write the proportion equation
1,123,120.35 : 1,684,063.58 = 553,247.55 : x - Step 2: Convert to fraction form
1,123,120.35/1,684,063.58 = 553,247.55/x - Step 3: Cross multiply
1,123,120.35x = 1,684,063.58 × 553,247.55 - Step 4: Simplify right side
1,123,120.35x = 931,704,046,912.99 - Step 5: Solve for x
x = 931,704,046,912.99/1,123,120.35 - Step 6: Final answer
x = 829,567.42
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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.