Finding the Fourth Proportional to 1,423,657.28, 1,964,452.80 and 850,575.68
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Solution
The fourth proportional to 1,423,657.28, 1,964,452.80 and 850,575.68 is: 1,173,678.38
Step by Step Solution
- Step 1: Write the proportion equation
1,423,657.28 : 1,964,452.80 = 850,575.68 : x - Step 2: Convert to fraction form
1,423,657.28/1,964,452.80 = 850,575.68/x - Step 3: Cross multiply
1,423,657.28x = 1,964,452.80 × 850,575.68 - Step 4: Simplify right side
1,423,657.28x = 1,670,915,776,187.90 - Step 5: Solve for x
x = 1,670,915,776,187.90/1,423,657.28 - Step 6: Final answer
x = 1,173,678.38
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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.