Finding the Fourth Proportional to 1,270,265.63, 1,905,772.74 and 511,716.76
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Solution
The fourth proportional to 1,270,265.63, 1,905,772.74 and 511,716.76 is: 767,725.92
Step by Step Solution
- Step 1: Write the proportion equation
1,270,265.63 : 1,905,772.74 = 511,716.76 : x - Step 2: Convert to fraction form
1,270,265.63/1,905,772.74 = 511,716.76/x - Step 3: Cross multiply
1,270,265.63x = 1,905,772.74 × 511,716.76 - Step 4: Simplify right side
1,270,265.63x = 975,215,848,004.16 - Step 5: Solve for x
x = 975,215,848,004.16/1,270,265.63 - Step 6: Final answer
x = 767,725.92
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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.