Finding the Fourth Proportional to 1,351,491.98, 1,864,874.46 and 807,512.18
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Solution
The fourth proportional to 1,351,491.98, 1,864,874.46 and 807,512.18 is: 1,114,256.59
Step by Step Solution
- Step 1: Write the proportion equation
1,351,491.98 : 1,864,874.46 = 807,512.18 : x - Step 2: Convert to fraction form
1,351,491.98/1,864,874.46 = 807,512.18/x - Step 3: Cross multiply
1,351,491.98x = 1,864,874.46 × 807,512.18 - Step 4: Simplify right side
1,351,491.98x = 1,505,908,840,620.92 - Step 5: Solve for x
x = 1,505,908,840,620.92/1,351,491.98 - Step 6: Final answer
x = 1,114,256.59
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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.