Finding the Fourth Proportional to 1,282,268.62, 1,769,376.55 and 738,581.23
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Solution
The fourth proportional to 1,282,268.62, 1,769,376.55 and 738,581.23 is: 1,019,153.31
Step by Step Solution
- Step 1: Write the proportion equation
1,282,268.62 : 1,769,376.55 = 738,581.23 : x - Step 2: Convert to fraction form
1,282,268.62/1,769,376.55 = 738,581.23/x - Step 3: Cross multiply
1,282,268.62x = 1,769,376.55 × 738,581.23 - Step 4: Simplify right side
1,282,268.62x = 1,306,828,308,632.16 - Step 5: Solve for x
x = 1,306,828,308,632.16/1,282,268.62 - Step 6: Final answer
x = 1,019,153.31
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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.