Finding the Fourth Proportional to 1,159,138.20, 1,737,480.14 and 389,903.61
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Solution
The fourth proportional to 1,159,138.20, 1,737,480.14 and 389,903.61 is: 584,442.63
Step by Step Solution
- Step 1: Write the proportion equation
1,159,138.20 : 1,737,480.14 = 389,903.61 : x - Step 2: Convert to fraction form
1,159,138.20/1,737,480.14 = 389,903.61/x - Step 3: Cross multiply
1,159,138.20x = 1,737,480.14 × 389,903.61 - Step 4: Simplify right side
1,159,138.20x = 677,449,770,201.91 - Step 5: Solve for x
x = 677,449,770,201.91/1,159,138.20 - Step 6: Final answer
x = 584,442.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.