Finding the Fourth Proportional to 1,007,672.68, 1,390,651.14 and 554,963.56
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Solution
The fourth proportional to 1,007,672.68, 1,390,651.14 and 554,963.56 is: 765,884.32
Step by Step Solution
- Step 1: Write the proportion equation
1,007,672.68 : 1,390,651.14 = 554,963.56 : x - Step 2: Convert to fraction form
1,007,672.68/1,390,651.14 = 554,963.56/x - Step 3: Cross multiply
1,007,672.68x = 1,390,651.14 × 554,963.56 - Step 4: Simplify right side
1,007,672.68x = 771,760,707,372.46 - Step 5: Solve for x
x = 771,760,707,372.46/1,007,672.68 - Step 6: Final answer
x = 765,884.32
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.