Finding the Fourth Proportional to 1,279,373.85, 1,765,544.49 and 698,601.02
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Solution
The fourth proportional to 1,279,373.85, 1,765,544.49 and 698,601.02 is: 964,074.08
Step by Step Solution
- Step 1: Write the proportion equation
1,279,373.85 : 1,765,544.49 = 698,601.02 : x - Step 2: Convert to fraction form
1,279,373.85/1,765,544.49 = 698,601.02/x - Step 3: Cross multiply
1,279,373.85x = 1,765,544.49 × 698,601.02 - Step 4: Simplify right side
1,279,373.85x = 1,233,411,172,741.66 - Step 5: Solve for x
x = 1,233,411,172,741.66/1,279,373.85 - Step 6: Final answer
x = 964,074.08
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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.