Finding the Fourth Proportional to 1,144,455.68, 1,579,353.18 and 635,158.06
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Solution
The fourth proportional to 1,144,455.68, 1,579,353.18 and 635,158.06 is: 876,520.53
Step by Step Solution
- Step 1: Write the proportion equation
1,144,455.68 : 1,579,353.18 = 635,158.06 : x - Step 2: Convert to fraction form
1,144,455.68/1,579,353.18 = 635,158.06/x - Step 3: Cross multiply
1,144,455.68x = 1,579,353.18 × 635,158.06 - Step 4: Simplify right side
1,144,455.68x = 1,003,138,901,863.63 - Step 5: Solve for x
x = 1,003,138,901,863.63/1,144,455.68 - Step 6: Final answer
x = 876,520.53
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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.