Finding the Fourth Proportional to 1,350,877.64, 1,864,028.58 and 770,175.68
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Solution
The fourth proportional to 1,350,877.64, 1,864,028.58 and 770,175.68 is: 1,062,738.35
Step by Step Solution
- Step 1: Write the proportion equation
1,350,877.64 : 1,864,028.58 = 770,175.68 : x - Step 2: Convert to fraction form
1,350,877.64/1,864,028.58 = 770,175.68/x - Step 3: Cross multiply
1,350,877.64x = 1,864,028.58 × 770,175.68 - Step 4: Simplify right side
1,350,877.64x = 1,435,629,479,140.93 - Step 5: Solve for x
x = 1,435,629,479,140.93/1,350,877.64 - Step 6: Final answer
x = 1,062,738.35
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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.