Finding the Fourth Proportional to 1,379,353.96, 1,903,223.19 and 806,283.28
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Solution
The fourth proportional to 1,379,353.96, 1,903,223.19 and 806,283.28 is: 1,112,504.17
Step by Step Solution
- Step 1: Write the proportion equation
1,379,353.96 : 1,903,223.19 = 806,283.28 : x - Step 2: Convert to fraction form
1,379,353.96/1,903,223.19 = 806,283.28/x - Step 3: Cross multiply
1,379,353.96x = 1,903,223.19 × 806,283.28 - Step 4: Simplify right side
1,379,353.96x = 1,534,537,036,205.26 - Step 5: Solve for x
x = 1,534,537,036,205.26/1,379,353.96 - Step 6: Final answer
x = 1,112,504.17
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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.