Finding the Fourth Proportional to 1,268,163.47, 1,750,059.17 and 687,384.26
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Solution
The fourth proportional to 1,268,163.47, 1,750,059.17 and 687,384.26 is: 948,586.79
Step by Step Solution
- Step 1: Write the proportion equation
1,268,163.47 : 1,750,059.17 = 687,384.26 : x - Step 2: Convert to fraction form
1,268,163.47/1,750,059.17 = 687,384.26/x - Step 3: Cross multiply
1,268,163.47x = 1,750,059.17 × 687,384.26 - Step 4: Simplify right side
1,268,163.47x = 1,202,963,115,339.45 - Step 5: Solve for x
x = 1,202,963,115,339.45/1,268,163.47 - Step 6: Final answer
x = 948,586.79
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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.