Finding the Fourth Proportional to 1,425,687.60, 2,138,380.74 and 751,498.68
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Solution
The fourth proportional to 1,425,687.60, 2,138,380.74 and 751,498.68 is: 1,127,168.61
Step by Step Solution
- Step 1: Write the proportion equation
1,425,687.60 : 2,138,380.74 = 751,498.68 : x - Step 2: Convert to fraction form
1,425,687.60/2,138,380.74 = 751,498.68/x - Step 3: Cross multiply
1,425,687.60x = 2,138,380.74 × 751,498.68 - Step 4: Simplify right side
1,425,687.60x = 1,606,990,303,447.42 - Step 5: Solve for x
x = 1,606,990,303,447.42/1,425,687.60 - Step 6: Final answer
x = 1,127,168.61
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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.