Finding the Fourth Proportional to 1,196,812.29, 1,651,437.23 and 687,514.53
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Solution
The fourth proportional to 1,196,812.29, 1,651,437.23 and 687,514.53 is: 948,675.99
Step by Step Solution
- Step 1: Write the proportion equation
1,196,812.29 : 1,651,437.23 = 687,514.53 : x - Step 2: Convert to fraction form
1,196,812.29/1,651,437.23 = 687,514.53/x - Step 3: Cross multiply
1,196,812.29x = 1,651,437.23 × 687,514.53 - Step 4: Simplify right side
1,196,812.29x = 1,135,387,087,570.38 - Step 5: Solve for x
x = 1,135,387,087,570.38/1,196,812.29 - Step 6: Final answer
x = 948,675.99
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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.