Finding the Fourth Proportional to 1,387,235.44, 2,080,806.26 and 488,653.70
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Solution
The fourth proportional to 1,387,235.44, 2,080,806.26 and 488,653.70 is: 732,964.02
Step by Step Solution
- Step 1: Write the proportion equation
1,387,235.44 : 2,080,806.26 = 488,653.70 : x - Step 2: Convert to fraction form
1,387,235.44/2,080,806.26 = 488,653.70/x - Step 3: Cross multiply
1,387,235.44x = 2,080,806.26 × 488,653.70 - Step 4: Simplify right side
1,387,235.44x = 1,016,793,667,833.54 - Step 5: Solve for x
x = 1,016,793,667,833.54/1,387,235.44 - Step 6: Final answer
x = 732,964.02
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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.