Finding the Fourth Proportional to 1,005,877.11, 1,388,146.84 and 576,240.28
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Solution
The fourth proportional to 1,005,877.11, 1,388,146.84 and 576,240.28 is: 795,232.45
Step by Step Solution
- Step 1: Write the proportion equation
1,005,877.11 : 1,388,146.84 = 576,240.28 : x - Step 2: Convert to fraction form
1,005,877.11/1,388,146.84 = 576,240.28/x - Step 3: Cross multiply
1,005,877.11x = 1,388,146.84 × 576,240.28 - Step 4: Simplify right side
1,005,877.11x = 799,906,116,821.98 - Step 5: Solve for x
x = 799,906,116,821.98/1,005,877.11 - Step 6: Final answer
x = 795,232.45
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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.