Finding the Fourth Proportional to 1,361,072.72, 1,877,231.23 and 845,132.08
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Solution
The fourth proportional to 1,361,072.72, 1,877,231.23 and 845,132.08 is: 1,165,630.84
Step by Step Solution
- Step 1: Write the proportion equation
1,361,072.72 : 1,877,231.23 = 845,132.08 : x - Step 2: Convert to fraction form
1,361,072.72/1,877,231.23 = 845,132.08/x - Step 3: Cross multiply
1,361,072.72x = 1,877,231.23 × 845,132.08 - Step 4: Simplify right side
1,361,072.72x = 1,586,508,328,982.12 - Step 5: Solve for x
x = 1,586,508,328,982.12/1,361,072.72 - Step 6: Final answer
x = 1,165,630.84
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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.