Finding the Fourth Proportional to 1,189,577.44, 1,641,560.88 and 645,700.96
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Solution
The fourth proportional to 1,189,577.44, 1,641,560.88 and 645,700.96 is: 891,036.94
Step by Step Solution
- Step 1: Write the proportion equation
1,189,577.44 : 1,641,560.88 = 645,700.96 : x - Step 2: Convert to fraction form
1,189,577.44/1,641,560.88 = 645,700.96/x - Step 3: Cross multiply
1,189,577.44x = 1,641,560.88 × 645,700.96 - Step 4: Simplify right side
1,189,577.44x = 1,059,957,436,114.44 - Step 5: Solve for x
x = 1,059,957,436,114.44/1,189,577.44 - Step 6: Final answer
x = 891,036.94
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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.