Finding the Fourth Proportional to 1,135,316.15, 1,702,974.22 and 779,250.68
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Solution
The fourth proportional to 1,135,316.15, 1,702,974.22 and 779,250.68 is: 1,168,876.02
Step by Step Solution
- Step 1: Write the proportion equation
1,135,316.15 : 1,702,974.22 = 779,250.68 : x - Step 2: Convert to fraction form
1,135,316.15/1,702,974.22 = 779,250.68/x - Step 3: Cross multiply
1,135,316.15x = 1,702,974.22 × 779,250.68 - Step 4: Simplify right side
1,135,316.15x = 1,327,043,818,957.47 - Step 5: Solve for x
x = 1,327,043,818,957.47/1,135,316.15 - Step 6: Final answer
x = 1,168,876.02
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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.