Finding the Fourth Proportional to 1,259,823.42, 1,888,616.09 and 491,143.95
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Solution
The fourth proportional to 1,259,823.42, 1,888,616.09 and 491,143.95 is: 736,279.66
Step by Step Solution
- Step 1: Write the proportion equation
1,259,823.42 : 1,888,616.09 = 491,143.95 : x - Step 2: Convert to fraction form
1,259,823.42/1,888,616.09 = 491,143.95/x - Step 3: Cross multiply
1,259,823.42x = 1,888,616.09 × 491,143.95 - Step 4: Simplify right side
1,259,823.42x = 927,582,364,020.44 - Step 5: Solve for x
x = 927,582,364,020.44/1,259,823.42 - Step 6: Final answer
x = 736,279.66
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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.