Finding the Fourth Proportional to 1,180,821.08, 1,629,532.14 and 644,277.08
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Solution
The fourth proportional to 1,180,821.08, 1,629,532.14 and 644,277.08 is: 889,101.85
Step by Step Solution
- Step 1: Write the proportion equation
1,180,821.08 : 1,629,532.14 = 644,277.08 : x - Step 2: Convert to fraction form
1,180,821.08/1,629,532.14 = 644,277.08/x - Step 3: Cross multiply
1,180,821.08x = 1,629,532.14 × 644,277.08 - Step 4: Simplify right side
1,180,821.08x = 1,049,870,208,925.35 - Step 5: Solve for x
x = 1,049,870,208,925.35/1,180,821.08 - Step 6: Final answer
x = 889,101.85
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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.