Finding the Fourth Proportional to 1,369,316.56, 1,889,511.12 and 757,372
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Solution
The fourth proportional to 1,369,316.56, 1,889,511.12 and 757,372 is: 1,045,092.75
Step by Step Solution
- Step 1: Write the proportion equation
1,369,316.56 : 1,889,511.12 = 757,372 : x - Step 2: Convert to fraction form
1,369,316.56/1,889,511.12 = 757,372/x - Step 3: Cross multiply
1,369,316.56x = 1,889,511.12 × 757,372 - Step 4: Simplify right side
1,369,316.56x = 1,431,062,815,976.64 - Step 5: Solve for x
x = 1,431,062,815,976.64/1,369,316.56 - Step 6: Final answer
x = 1,045,092.75
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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.