Finding the Fourth Proportional to 1,412,102.70, 1,948,704.21 and 767,521.17
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Solution
The fourth proportional to 1,412,102.70, 1,948,704.21 and 767,521.17 is: 1,059,180.56
Step by Step Solution
- Step 1: Write the proportion equation
1,412,102.70 : 1,948,704.21 = 767,521.17 : x - Step 2: Convert to fraction form
1,412,102.70/1,948,704.21 = 767,521.17/x - Step 3: Cross multiply
1,412,102.70x = 1,948,704.21 × 767,521.17 - Step 4: Simplify right side
1,412,102.70x = 1,495,671,735,243.13 - Step 5: Solve for x
x = 1,495,671,735,243.13/1,412,102.70 - Step 6: Final answer
x = 1,059,180.56
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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.