Finding the Fourth Proportional to 1,122,252.39, 1,548,708.30 and 612,955.98
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Solution
The fourth proportional to 1,122,252.39, 1,548,708.30 and 612,955.98 is: 845,879.25
Step by Step Solution
- Step 1: Write the proportion equation
1,122,252.39 : 1,548,708.30 = 612,955.98 : x - Step 2: Convert to fraction form
1,122,252.39/1,548,708.30 = 612,955.98/x - Step 3: Cross multiply
1,122,252.39x = 1,548,708.30 × 612,955.98 - Step 4: Simplify right side
1,122,252.39x = 949,290,013,760.63 - Step 5: Solve for x
x = 949,290,013,760.63/1,122,252.39 - Step 6: Final answer
x = 845,879.25
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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.