Finding the Fourth Proportional to 1,253,097.23, 1,729,276.14 and 680,137.65
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Solution
The fourth proportional to 1,253,097.23, 1,729,276.14 and 680,137.65 is: 938,591.03
Step by Step Solution
- Step 1: Write the proportion equation
1,253,097.23 : 1,729,276.14 = 680,137.65 : x - Step 2: Convert to fraction form
1,253,097.23/1,729,276.14 = 680,137.65/x - Step 3: Cross multiply
1,253,097.23x = 1,729,276.14 × 680,137.65 - Step 4: Simplify right side
1,253,097.23x = 1,176,145,810,060.67 - Step 5: Solve for x
x = 1,176,145,810,060.67/1,253,097.23 - Step 6: Final answer
x = 938,591.03
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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.