Finding the Fourth Proportional to 1,273,956.44, 1,758,108.38 and 730,197.15
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Solution
The fourth proportional to 1,273,956.44, 1,758,108.38 and 730,197.15 is: 1,007,699.86
Step by Step Solution
- Step 1: Write the proportion equation
1,273,956.44 : 1,758,108.38 = 730,197.15 : x - Step 2: Convert to fraction form
1,273,956.44/1,758,108.38 = 730,197.15/x - Step 3: Cross multiply
1,273,956.44x = 1,758,108.38 × 730,197.15 - Step 4: Simplify right side
1,273,956.44x = 1,283,765,724,816.13 - Step 5: Solve for x
x = 1,283,765,724,816.13/1,273,956.44 - Step 6: Final answer
x = 1,007,699.86
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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.