Finding the Fourth Proportional to 1,122,251.13, 1,548,706.58 and 612,954.72
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Solution
The fourth proportional to 1,122,251.13, 1,548,706.58 and 612,954.72 is: 845,877.52
Step by Step Solution
- Step 1: Write the proportion equation
1,122,251.13 : 1,548,706.58 = 612,954.72 : x - Step 2: Convert to fraction form
1,122,251.13/1,548,706.58 = 612,954.72/x - Step 3: Cross multiply
1,122,251.13x = 1,548,706.58 × 612,954.72 - Step 4: Simplify right side
1,122,251.13x = 949,287,008,106.06 - Step 5: Solve for x
x = 949,287,008,106.06/1,122,251.13 - Step 6: Final answer
x = 845,877.52
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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.