Finding the Fourth Proportional to 1,104,138.30, 1,656,207.45 and 988,664.70
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Solution
The fourth proportional to 1,104,138.30, 1,656,207.45 and 988,664.70 is: 1,482,997.05
Step by Step Solution
- Step 1: Write the proportion equation
1,104,138.30 : 1,656,207.45 = 988,664.70 : x - Step 2: Convert to fraction form
1,104,138.30/1,656,207.45 = 988,664.70/x - Step 3: Cross multiply
1,104,138.30x = 1,656,207.45 × 988,664.70 - Step 4: Simplify right side
1,104,138.30x = 1,637,433,841,692.02 - Step 5: Solve for x
x = 1,637,433,841,692.02/1,104,138.30 - Step 6: Final answer
x = 1,482,997.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.