Finding the Fourth Proportional to 1,416,480.75, 1,954,740.42 and 771,899.40
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Solution
The fourth proportional to 1,416,480.75, 1,954,740.42 and 771,899.40 is: 1,065,219.53
Step by Step Solution
- Step 1: Write the proportion equation
1,416,480.75 : 1,954,740.42 = 771,899.40 : x - Step 2: Convert to fraction form
1,416,480.75/1,954,740.42 = 771,899.40/x - Step 3: Cross multiply
1,416,480.75x = 1,954,740.42 × 771,899.40 - Step 4: Simplify right side
1,416,480.75x = 1,508,862,957,353.75 - Step 5: Solve for x
x = 1,508,862,957,353.75/1,416,480.75 - Step 6: Final answer
x = 1,065,219.53
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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.