Finding the Fourth Proportional to 1,253,163.16, 1,729,366.50 and 680,203.18
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Solution
The fourth proportional to 1,253,163.16, 1,729,366.50 and 680,203.18 is: 938,681.12
Step by Step Solution
- Step 1: Write the proportion equation
1,253,163.16 : 1,729,366.50 = 680,203.18 : x - Step 2: Convert to fraction form
1,253,163.16/1,729,366.50 = 680,203.18/x - Step 3: Cross multiply
1,253,163.16x = 1,729,366.50 × 680,203.18 - Step 4: Simplify right side
1,253,163.16x = 1,176,320,592,685.47 - Step 5: Solve for x
x = 1,176,320,592,685.47/1,253,163.16 - Step 6: Final answer
x = 938,681.12
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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.