Finding the Fourth Proportional to 1,117,430.26, 1,542,024.21 and 608,121.70
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Solution
The fourth proportional to 1,117,430.26, 1,542,024.21 and 608,121.70 is: 839,191.87
Step by Step Solution
- Step 1: Write the proportion equation
1,117,430.26 : 1,542,024.21 = 608,121.70 : x - Step 2: Convert to fraction form
1,117,430.26/1,542,024.21 = 608,121.70/x - Step 3: Cross multiply
1,117,430.26x = 1,542,024.21 × 608,121.70 - Step 4: Simplify right side
1,117,430.26x = 937,738,384,026.36 - Step 5: Solve for x
x = 937,738,384,026.36/1,117,430.26 - Step 6: Final answer
x = 839,191.87
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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.