Finding the Fourth Proportional to 1,416,556.08, 1,954,821.60 and 771,981.84
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Solution
The fourth proportional to 1,416,556.08, 1,954,821.60 and 771,981.84 is: 1,065,320.88
Step by Step Solution
- Step 1: Write the proportion equation
1,416,556.08 : 1,954,821.60 = 771,981.84 : x - Step 2: Convert to fraction form
1,416,556.08/1,954,821.60 = 771,981.84/x - Step 3: Cross multiply
1,416,556.08x = 1,954,821.60 × 771,981.84 - Step 4: Simplify right side
1,416,556.08x = 1,509,086,775,639.74 - Step 5: Solve for x
x = 1,509,086,775,639.74/1,416,556.08 - Step 6: Final answer
x = 1,065,320.88
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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.