Finding the Fourth Proportional to 1,273,609.18, 1,757,595.18 and 729,734.05
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Solution
The fourth proportional to 1,273,609.18, 1,757,595.18 and 729,734.05 is: 1,007,041.30
Step by Step Solution
- Step 1: Write the proportion equation
1,273,609.18 : 1,757,595.18 = 729,734.05 : x - Step 2: Convert to fraction form
1,273,609.18/1,757,595.18 = 729,734.05/x - Step 3: Cross multiply
1,273,609.18x = 1,757,595.18 × 729,734.05 - Step 4: Simplify right side
1,273,609.18x = 1,282,577,048,961.88 - Step 5: Solve for x
x = 1,282,577,048,961.88/1,273,609.18 - Step 6: Final answer
x = 1,007,041.30
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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.