Finding the Fourth Proportional to 1,107,617.62, 1,528,513.67 and 598,319.99
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Solution
The fourth proportional to 1,107,617.62, 1,528,513.67 and 598,319.99 is: 825,682.32
Step by Step Solution
- Step 1: Write the proportion equation
1,107,617.62 : 1,528,513.67 = 598,319.99 : x - Step 2: Convert to fraction form
1,107,617.62/1,528,513.67 = 598,319.99/x - Step 3: Cross multiply
1,107,617.62x = 1,528,513.67 × 598,319.99 - Step 4: Simplify right side
1,107,617.62x = 914,540,283,749.26 - Step 5: Solve for x
x = 914,540,283,749.26/1,107,617.62 - Step 6: Final answer
x = 825,682.32
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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.