Finding the Fourth Proportional to 1,349,499.12, 1,861,571.52 and 865,525.68
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Solution
The fourth proportional to 1,349,499.12, 1,861,571.52 and 865,525.68 is: 1,193,952.58
Step by Step Solution
- Step 1: Write the proportion equation
1,349,499.12 : 1,861,571.52 = 865,525.68 : x - Step 2: Convert to fraction form
1,349,499.12/1,861,571.52 = 865,525.68/x - Step 3: Cross multiply
1,349,499.12x = 1,861,571.52 × 865,525.68 - Step 4: Simplify right side
1,349,499.12x = 1,611,237,955,716.63 - Step 5: Solve for x
x = 1,611,237,955,716.63/1,349,499.12 - Step 6: Final answer
x = 1,193,952.58
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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.