Finding the Fourth Proportional to 1,403,969.62, 1,937,314.24 and 792,132.07
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Solution
The fourth proportional to 1,403,969.62, 1,937,314.24 and 792,132.07 is: 1,093,049.82
Step by Step Solution
- Step 1: Write the proportion equation
1,403,969.62 : 1,937,314.24 = 792,132.07 : x - Step 2: Convert to fraction form
1,403,969.62/1,937,314.24 = 792,132.07/x - Step 3: Cross multiply
1,403,969.62x = 1,937,314.24 × 792,132.07 - Step 4: Simplify right side
1,403,969.62x = 1,534,608,739,171.68 - Step 5: Solve for x
x = 1,534,608,739,171.68/1,403,969.62 - Step 6: Final answer
x = 1,093,049.82
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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.