Finding the Fourth Proportional to 1,284,523.68, 1,772,619.48 and 711,562.08
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Solution
The fourth proportional to 1,284,523.68, 1,772,619.48 and 711,562.08 is: 981,942.82
Step by Step Solution
- Step 1: Write the proportion equation
1,284,523.68 : 1,772,619.48 = 711,562.08 : x - Step 2: Convert to fraction form
1,284,523.68/1,772,619.48 = 711,562.08/x - Step 3: Cross multiply
1,284,523.68x = 1,772,619.48 × 711,562.08 - Step 4: Simplify right side
1,284,523.68x = 1,261,328,804,237.32 - Step 5: Solve for x
x = 1,261,328,804,237.32/1,284,523.68 - Step 6: Final answer
x = 981,942.82
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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.