Finding the Fourth Proportional to 1,268,691.68, 1,902,742.98 and 756,499.84
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Solution
The fourth proportional to 1,268,691.68, 1,902,742.98 and 756,499.84 is: 1,134,574.13
Step by Step Solution
- Step 1: Write the proportion equation
1,268,691.68 : 1,902,742.98 = 756,499.84 : x - Step 2: Convert to fraction form
1,268,691.68/1,902,742.98 = 756,499.84/x - Step 3: Cross multiply
1,268,691.68x = 1,902,742.98 × 756,499.84 - Step 4: Simplify right side
1,268,691.68x = 1,439,424,759,931.12 - Step 5: Solve for x
x = 1,439,424,759,931.12/1,268,691.68 - Step 6: Final answer
x = 1,134,574.13
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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.