Finding the Fourth Proportional to 1,006,787.62, 1,389,369.68 and 554,078.62
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Solution
The fourth proportional to 1,006,787.62, 1,389,369.68 and 554,078.62 is: 764,630.02
Step by Step Solution
- Step 1: Write the proportion equation
1,006,787.62 : 1,389,369.68 = 554,078.62 : x - Step 2: Convert to fraction form
1,006,787.62/1,389,369.68 = 554,078.62/x - Step 3: Cross multiply
1,006,787.62x = 1,389,369.68 × 554,078.62 - Step 4: Simplify right side
1,006,787.62x = 769,820,034,964.24 - Step 5: Solve for x
x = 769,820,034,964.24/1,006,787.62 - Step 6: Final answer
x = 764,630.02
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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.