Finding the Fourth Proportional to 1,122,288.84, 1,548,766.62 and 612,991.08
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Solution
The fourth proportional to 1,122,288.84, 1,548,766.62 and 612,991.08 is: 845,932.07
Step by Step Solution
- Step 1: Write the proportion equation
1,122,288.84 : 1,548,766.62 = 612,991.08 : x - Step 2: Convert to fraction form
1,122,288.84/1,548,766.62 = 612,991.08/x - Step 3: Cross multiply
1,122,288.84x = 1,548,766.62 × 612,991.08 - Step 4: Simplify right side
1,122,288.84x = 949,380,123,061.75 - Step 5: Solve for x
x = 949,380,123,061.75/1,122,288.84 - Step 6: Final answer
x = 845,932.07
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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.