Finding the Fourth Proportional to 1,107,616.65, 1,528,512.33 and 598,319.02
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Solution
The fourth proportional to 1,107,616.65, 1,528,512.33 and 598,319.02 is: 825,680.99
Step by Step Solution
- Step 1: Write the proportion equation
1,107,616.65 : 1,528,512.33 = 598,319.02 : x - Step 2: Convert to fraction form
1,107,616.65/1,528,512.33 = 598,319.02/x - Step 3: Cross multiply
1,107,616.65x = 1,528,512.33 × 598,319.02 - Step 4: Simplify right side
1,107,616.65x = 914,538,003,497.85 - Step 5: Solve for x
x = 914,538,003,497.85/1,107,616.65 - Step 6: Final answer
x = 825,680.99
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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.