Finding the Fourth Proportional to 1,264,853.96, 1,745,475.54 and 691,889.12
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Solution
The fourth proportional to 1,264,853.96, 1,745,475.54 and 691,889.12 is: 954,794.45
Step by Step Solution
- Step 1: Write the proportion equation
1,264,853.96 : 1,745,475.54 = 691,889.12 : x - Step 2: Convert to fraction form
1,264,853.96/1,745,475.54 = 691,889.12/x - Step 3: Cross multiply
1,264,853.96x = 1,745,475.54 × 691,889.12 - Step 4: Simplify right side
1,264,853.96x = 1,207,675,535,352.12 - Step 5: Solve for x
x = 1,207,675,535,352.12/1,264,853.96 - Step 6: Final answer
x = 954,794.45
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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.