Finding the Fourth Proportional to 1,098,991.85, 1,645,648.70 and 758,485.97
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Solution
The fourth proportional to 1,098,991.85, 1,645,648.70 and 758,485.97 is: 1,135,769.53
Step by Step Solution
- Step 1: Write the proportion equation
1,098,991.85 : 1,645,648.70 = 758,485.97 : x - Step 2: Convert to fraction form
1,098,991.85/1,645,648.70 = 758,485.97/x - Step 3: Cross multiply
1,098,991.85x = 1,645,648.70 × 758,485.97 - Step 4: Simplify right side
1,098,991.85x = 1,248,201,458,172.51 - Step 5: Solve for x
x = 1,248,201,458,172.51/1,098,991.85 - Step 6: Final answer
x = 1,135,769.53
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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.