Finding the Fourth Proportional to 1,330,352.62, 1,835,888.28 and 757,392.77
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Solution
The fourth proportional to 1,330,352.62, 1,835,888.28 and 757,392.77 is: 1,045,202.97
Step by Step Solution
- Step 1: Write the proportion equation
1,330,352.62 : 1,835,888.28 = 757,392.77 : x - Step 2: Convert to fraction form
1,330,352.62/1,835,888.28 = 757,392.77/x - Step 3: Cross multiply
1,330,352.62x = 1,835,888.28 × 757,392.77 - Step 4: Simplify right side
1,330,352.62x = 1,390,488,509,799.74 - Step 5: Solve for x
x = 1,390,488,509,799.74/1,330,352.62 - Step 6: Final answer
x = 1,045,202.97
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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.