Finding the Fourth Proportional to 1,072,728.98, 1,609,757.92 and 623,661.18
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Solution
The fourth proportional to 1,072,728.98, 1,609,757.92 and 623,661.18 is: 935,878.07
Step by Step Solution
- Step 1: Write the proportion equation
1,072,728.98 : 1,609,757.92 = 623,661.18 : x - Step 2: Convert to fraction form
1,072,728.98/1,609,757.92 = 623,661.18/x - Step 3: Cross multiply
1,072,728.98x = 1,609,757.92 × 623,661.18 - Step 4: Simplify right side
1,072,728.98x = 1,003,943,523,901.55 - Step 5: Solve for x
x = 1,003,943,523,901.55/1,072,728.98 - Step 6: Final answer
x = 935,878.07
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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.