Finding the Fourth Proportional to 1,255,687.20, 1,883,489.16 and 545,716.08
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Solution
The fourth proportional to 1,255,687.20, 1,883,489.16 and 545,716.08 is: 818,556.02
Step by Step Solution
- Step 1: Write the proportion equation
1,255,687.20 : 1,883,489.16 = 545,716.08 : x - Step 2: Convert to fraction form
1,255,687.20/1,883,489.16 = 545,716.08/x - Step 3: Cross multiply
1,255,687.20x = 1,883,489.16 × 545,716.08 - Step 4: Simplify right side
1,255,687.20x = 1,027,850,321,117.69 - Step 5: Solve for x
x = 1,027,850,321,117.69/1,255,687.20 - Step 6: Final answer
x = 818,556.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.