Finding the Fourth Proportional to 1,052,541.12, 1,452,487.44 and 644,578.20
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Solution
The fourth proportional to 1,052,541.12, 1,452,487.44 and 644,578.20 is: 889,506.09
Step by Step Solution
- Step 1: Write the proportion equation
1,052,541.12 : 1,452,487.44 = 644,578.20 : x - Step 2: Convert to fraction form
1,052,541.12/1,452,487.44 = 644,578.20/x - Step 3: Cross multiply
1,052,541.12x = 1,452,487.44 × 644,578.20 - Step 4: Simplify right side
1,052,541.12x = 936,241,739,597.81 - Step 5: Solve for x
x = 936,241,739,597.81/1,052,541.12 - Step 6: Final answer
x = 889,506.09
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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.