Finding the Fourth Proportional to 1,303,442.53, 1,798,412.97 and 786,788.08
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Solution
The fourth proportional to 1,303,442.53, 1,798,412.97 and 786,788.08 is: 1,085,563.69
Step by Step Solution
- Step 1: Write the proportion equation
1,303,442.53 : 1,798,412.97 = 786,788.08 : x - Step 2: Convert to fraction form
1,303,442.53/1,798,412.97 = 786,788.08/x - Step 3: Cross multiply
1,303,442.53x = 1,798,412.97 × 786,788.08 - Step 4: Simplify right side
1,303,442.53x = 1,414,969,887,713.40 - Step 5: Solve for x
x = 1,414,969,887,713.40/1,303,442.53 - Step 6: Final answer
x = 1,085,563.69
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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.