Finding the Fourth Proportional to 1,379,236.19, 1,903,316.10 and 798,483.94
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Solution
The fourth proportional to 1,379,236.19, 1,903,316.10 and 798,483.94 is: 1,101,890.56
Step by Step Solution
- Step 1: Write the proportion equation
1,379,236.19 : 1,903,316.10 = 798,483.94 : x - Step 2: Convert to fraction form
1,379,236.19/1,903,316.10 = 798,483.94/x - Step 3: Cross multiply
1,379,236.19x = 1,903,316.10 × 798,483.94 - Step 4: Simplify right side
1,379,236.19x = 1,519,767,338,593.43 - Step 5: Solve for x
x = 1,519,767,338,593.43/1,379,236.19 - Step 6: Final answer
x = 1,101,890.56
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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.