Finding the Fourth Proportional to 1,258,646.14, 1,887,269.37 and 416,738.62
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Solution
The fourth proportional to 1,258,646.14, 1,887,269.37 and 416,738.62 is: 624,876.21
Step by Step Solution
- Step 1: Write the proportion equation
1,258,646.14 : 1,887,269.37 = 416,738.62 : x - Step 2: Convert to fraction form
1,258,646.14/1,887,269.37 = 416,738.62/x - Step 3: Cross multiply
1,258,646.14x = 1,887,269.37 × 416,738.62 - Step 4: Simplify right side
1,258,646.14x = 786,498,032,822.07 - Step 5: Solve for x
x = 786,498,032,822.07/1,258,646.14 - Step 6: Final answer
x = 624,876.21
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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.