Finding the Fourth Proportional to 1,258,648.14, 1,887,272.37 and 416,740.62
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Solution
The fourth proportional to 1,258,648.14, 1,887,272.37 and 416,740.62 is: 624,879.21
Step by Step Solution
- Step 1: Write the proportion equation
1,258,648.14 : 1,887,272.37 = 416,740.62 : x - Step 2: Convert to fraction form
1,258,648.14/1,887,272.37 = 416,740.62/x - Step 3: Cross multiply
1,258,648.14x = 1,887,272.37 × 416,740.62 - Step 4: Simplify right side
1,258,648.14x = 786,503,057,582.67 - Step 5: Solve for x
x = 786,503,057,582.67/1,258,648.14 - Step 6: Final answer
x = 624,879.21
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.