Finding the Fourth Proportional to 1,203,825.40, 1,661,490.10 and 914,394.99
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Solution
The fourth proportional to 1,203,825.40, 1,661,490.10 and 914,394.99 is: 1,262,025.39
Step by Step Solution
- Step 1: Write the proportion equation
1,203,825.40 : 1,661,490.10 = 914,394.99 : x - Step 2: Convert to fraction form
1,203,825.40/1,661,490.10 = 914,394.99/x - Step 3: Cross multiply
1,203,825.40x = 1,661,490.10 × 914,394.99 - Step 4: Simplify right side
1,203,825.40x = 1,519,258,223,374.60 - Step 5: Solve for x
x = 1,519,258,223,374.60/1,203,825.40 - Step 6: Final answer
x = 1,262,025.39
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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.