Finding the Fourth Proportional to 1,066,438.16, 1,471,702.18 and 636,755.84
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Solution
The fourth proportional to 1,066,438.16, 1,471,702.18 and 636,755.84 is: 878,733.52
Step by Step Solution
- Step 1: Write the proportion equation
1,066,438.16 : 1,471,702.18 = 636,755.84 : x - Step 2: Convert to fraction form
1,066,438.16/1,471,702.18 = 636,755.84/x - Step 3: Cross multiply
1,066,438.16x = 1,471,702.18 × 636,755.84 - Step 4: Simplify right side
1,066,438.16x = 937,114,957,855.73 - Step 5: Solve for x
x = 937,114,957,855.73/1,066,438.16 - Step 6: Final answer
x = 878,733.52
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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.