Finding the Fourth Proportional to 1,193,364.30, 1,787,197.23 and 686,860.62
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Solution
The fourth proportional to 1,193,364.30, 1,787,197.23 and 686,860.62 is: 1,028,651.01
Step by Step Solution
- Step 1: Write the proportion equation
1,193,364.30 : 1,787,197.23 = 686,860.62 : x - Step 2: Convert to fraction form
1,193,364.30/1,787,197.23 = 686,860.62/x - Step 3: Cross multiply
1,193,364.30x = 1,787,197.23 × 686,860.62 - Step 4: Simplify right side
1,193,364.30x = 1,227,555,397,460.08 - Step 5: Solve for x
x = 1,227,555,397,460.08/1,193,364.30 - Step 6: Final answer
x = 1,028,651.01
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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.