Finding the Fourth Proportional to 1,153,148.99, 1,729,729.64 and 756,302.81
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Solution
The fourth proportional to 1,153,148.99, 1,729,729.64 and 756,302.81 is: 1,134,458.24
Step by Step Solution
- Step 1: Write the proportion equation
1,153,148.99 : 1,729,729.64 = 756,302.81 : x - Step 2: Convert to fraction form
1,153,148.99/1,729,729.64 = 756,302.81/x - Step 3: Cross multiply
1,153,148.99x = 1,729,729.64 × 756,302.81 - Step 4: Simplify right side
1,153,148.99x = 1,308,199,380,514.40 - Step 5: Solve for x
x = 1,308,199,380,514.40/1,153,148.99 - Step 6: Final answer
x = 1,134,458.24
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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.