Finding the Fourth Proportional to 1,436,479.92, 1,982,364.26 and 783,106.38
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Solution
The fourth proportional to 1,436,479.92, 1,982,364.26 and 783,106.38 is: 1,080,698.78
Step by Step Solution
- Step 1: Write the proportion equation
1,436,479.92 : 1,982,364.26 = 783,106.38 : x - Step 2: Convert to fraction form
1,436,479.92/1,982,364.26 = 783,106.38/x - Step 3: Cross multiply
1,436,479.92x = 1,982,364.26 × 783,106.38 - Step 4: Simplify right side
1,436,479.92x = 1,552,402,099,489.98 - Step 5: Solve for x
x = 1,552,402,099,489.98/1,436,479.92 - Step 6: Final answer
x = 1,080,698.78
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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.