Finding the Fourth Proportional to 1,153,156.97, 1,729,741.62 and 756,310.76
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Solution
The fourth proportional to 1,153,156.97, 1,729,741.62 and 756,310.76 is: 1,134,470.18
Step by Step Solution
- Step 1: Write the proportion equation
1,153,156.97 : 1,729,741.62 = 756,310.76 : x - Step 2: Convert to fraction form
1,153,156.97/1,729,741.62 = 756,310.76/x - Step 3: Cross multiply
1,153,156.97x = 1,729,741.62 × 756,310.76 - Step 4: Simplify right side
1,153,156.97x = 1,308,222,190,577.12 - Step 5: Solve for x
x = 1,308,222,190,577.12/1,153,156.97 - Step 6: Final answer
x = 1,134,470.18
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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.