Finding the Fourth Proportional to 1,282,282.80, 1,769,396.09 and 738,595.41
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Solution
The fourth proportional to 1,282,282.80, 1,769,396.09 and 738,595.41 is: 1,019,172.86
Step by Step Solution
- Step 1: Write the proportion equation
1,282,282.80 : 1,769,396.09 = 738,595.41 : x - Step 2: Convert to fraction form
1,282,282.80/1,769,396.09 = 738,595.41/x - Step 3: Cross multiply
1,282,282.80x = 1,769,396.09 × 738,595.41 - Step 4: Simplify right side
1,282,282.80x = 1,306,867,826,852.97 - Step 5: Solve for x
x = 1,306,867,826,852.97/1,282,282.80 - Step 6: Final answer
x = 1,019,172.86
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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.