Finding the Fourth Proportional to 1,351,496.40, 1,865,047.62 and 739,638.18
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Solution
The fourth proportional to 1,351,496.40, 1,865,047.62 and 739,638.18 is: 1,020,691.16
Step by Step Solution
- Step 1: Write the proportion equation
1,351,496.40 : 1,865,047.62 = 739,638.18 : x - Step 2: Convert to fraction form
1,351,496.40/1,865,047.62 = 739,638.18/x - Step 3: Cross multiply
1,351,496.40x = 1,865,047.62 × 739,638.18 - Step 4: Simplify right side
1,351,496.40x = 1,379,460,427,270.13 - Step 5: Solve for x
x = 1,379,460,427,270.13/1,351,496.40 - Step 6: Final answer
x = 1,020,691.16
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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.