Finding the Fourth Proportional to 1,277,147.74, 1,913,553.74 and 770,644.41
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Solution
The fourth proportional to 1,277,147.74, 1,913,553.74 and 770,644.41 is: 1,154,658.50
Step by Step Solution
- Step 1: Write the proportion equation
1,277,147.74 : 1,913,553.74 = 770,644.41 : x - Step 2: Convert to fraction form
1,277,147.74/1,913,553.74 = 770,644.41/x - Step 3: Cross multiply
1,277,147.74x = 1,913,553.74 × 770,644.41 - Step 4: Simplify right side
1,277,147.74x = 1,474,669,492,965.59 - Step 5: Solve for x
x = 1,474,669,492,965.59/1,277,147.74 - Step 6: Final answer
x = 1,154,658.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.