Finding the Fourth Proportional to 1,187,024.36, 1,780,702.62 and 388,146.67
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Solution
The fourth proportional to 1,187,024.36, 1,780,702.62 and 388,146.67 is: 582,274.31
Step by Step Solution
- Step 1: Write the proportion equation
1,187,024.36 : 1,780,702.62 = 388,146.67 : x - Step 2: Convert to fraction form
1,187,024.36/1,780,702.62 = 388,146.67/x - Step 3: Cross multiply
1,187,024.36x = 1,780,702.62 × 388,146.67 - Step 4: Simplify right side
1,187,024.36x = 691,173,786,305.97 - Step 5: Solve for x
x = 691,173,786,305.97/1,187,024.36 - Step 6: Final answer
x = 582,274.31
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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.