Finding the Fourth Proportional to 1,282,269.62, 1,769,377.93 and 738,582.23
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Solution
The fourth proportional to 1,282,269.62, 1,769,377.93 and 738,582.23 is: 1,019,154.69
Step by Step Solution
- Step 1: Write the proportion equation
1,282,269.62 : 1,769,377.93 = 738,582.23 : x - Step 2: Convert to fraction form
1,282,269.62/1,769,377.93 = 738,582.23/x - Step 3: Cross multiply
1,282,269.62x = 1,769,377.93 × 738,582.23 - Step 4: Simplify right side
1,282,269.62x = 1,306,831,097,252.18 - Step 5: Solve for x
x = 1,306,831,097,252.18/1,282,269.62 - Step 6: Final answer
x = 1,019,154.69
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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.