Finding the Fourth Proportional to 1,282,338.35, 1,769,574.62 and 738,494.63
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Solution
The fourth proportional to 1,282,338.35, 1,769,574.62 and 738,494.63 is: 1,019,092.47
Step by Step Solution
- Step 1: Write the proportion equation
1,282,338.35 : 1,769,574.62 = 738,494.63 : x - Step 2: Convert to fraction form
1,282,338.35/1,769,574.62 = 738,494.63/x - Step 3: Cross multiply
1,282,338.35x = 1,769,574.62 × 738,494.63 - Step 4: Simplify right side
1,282,338.35x = 1,306,821,347,252.65 - Step 5: Solve for x
x = 1,306,821,347,252.65/1,282,338.35 - Step 6: Final answer
x = 1,019,092.47
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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.