Finding the Fourth Proportional to 1,114,647.18, 1,538,850.74 and 733,781.13
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Solution
The fourth proportional to 1,114,647.18, 1,538,850.74 and 733,781.13 is: 1,013,037.71
Step by Step Solution
- Step 1: Write the proportion equation
1,114,647.18 : 1,538,850.74 = 733,781.13 : x - Step 2: Convert to fraction form
1,114,647.18/1,538,850.74 = 733,781.13/x - Step 3: Cross multiply
1,114,647.18x = 1,538,850.74 × 733,781.13 - Step 4: Simplify right side
1,114,647.18x = 1,129,179,631,229.63 - Step 5: Solve for x
x = 1,129,179,631,229.63/1,114,647.18 - Step 6: Final answer
x = 1,013,037.71
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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.