Finding the Fourth Proportional to 1,107,561.76, 1,528,435.84 and 598,264.14
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Solution
The fourth proportional to 1,107,561.76, 1,528,435.84 and 598,264.14 is: 825,604.84
Step by Step Solution
- Step 1: Write the proportion equation
1,107,561.76 : 1,528,435.84 = 598,264.14 : x - Step 2: Convert to fraction form
1,107,561.76/1,528,435.84 = 598,264.14/x - Step 3: Cross multiply
1,107,561.76x = 1,528,435.84 × 598,264.14 - Step 4: Simplify right side
1,107,561.76x = 914,408,353,362.78 - Step 5: Solve for x
x = 914,408,353,362.78/1,107,561.76 - Step 6: Final answer
x = 825,604.84
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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.