Finding the Fourth Proportional to 1,298,110.14, 1,800,557.33 and 1,263,584.70
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Solution
The fourth proportional to 1,298,110.14, 1,800,557.33 and 1,263,584.70 is: 1,752,668.45
Step by Step Solution
- Step 1: Write the proportion equation
1,298,110.14 : 1,800,557.33 = 1,263,584.70 : x - Step 2: Convert to fraction form
1,298,110.14/1,800,557.33 = 1,263,584.70/x - Step 3: Cross multiply
1,298,110.14x = 1,800,557.33 × 1,263,584.70 - Step 4: Simplify right side
1,298,110.14x = 2,275,156,687,342.93 - Step 5: Solve for x
x = 2,275,156,687,342.93/1,298,110.14 - Step 6: Final answer
x = 1,752,668.45
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.