Finding the Fourth Proportional to 1,277,425.38, 1,762,787.71 and 733,178.12
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Solution
The fourth proportional to 1,277,425.38, 1,762,787.71 and 733,178.12 is: 1,011,751.75
Step by Step Solution
- Step 1: Write the proportion equation
1,277,425.38 : 1,762,787.71 = 733,178.12 : x - Step 2: Convert to fraction form
1,277,425.38/1,762,787.71 = 733,178.12/x - Step 3: Cross multiply
1,277,425.38x = 1,762,787.71 × 733,178.12 - Step 4: Simplify right side
1,277,425.38x = 1,292,437,371,279.44 - Step 5: Solve for x
x = 1,292,437,371,279.44/1,277,425.38 - Step 6: Final answer
x = 1,011,751.75
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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.