Finding the Fourth Proportional to 1,319,387.88, 1,979,211.42 and 372,765.96
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Solution
The fourth proportional to 1,319,387.88, 1,979,211.42 and 372,765.96 is: 559,185.56
Step by Step Solution
- Step 1: Write the proportion equation
1,319,387.88 : 1,979,211.42 = 372,765.96 : x - Step 2: Convert to fraction form
1,319,387.88/1,979,211.42 = 372,765.96/x - Step 3: Cross multiply
1,319,387.88x = 1,979,211.42 × 372,765.96 - Step 4: Simplify right side
1,319,387.88x = 737,782,645,019.26 - Step 5: Solve for x
x = 737,782,645,019.26/1,319,387.88 - Step 6: Final answer
x = 559,185.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.