Finding the Fourth Proportional to 1,119,670.19, 1,679,505.26 and 371,716.19
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Solution
The fourth proportional to 1,119,670.19, 1,679,505.26 and 371,716.19 is: 557,574.27
Step by Step Solution
- Step 1: Write the proportion equation
1,119,670.19 : 1,679,505.26 = 371,716.19 : x - Step 2: Convert to fraction form
1,119,670.19/1,679,505.26 = 371,716.19/x - Step 3: Cross multiply
1,119,670.19x = 1,679,505.26 × 371,716.19 - Step 4: Simplify right side
1,119,670.19x = 624,299,286,076.05 - Step 5: Solve for x
x = 624,299,286,076.05/1,119,670.19 - Step 6: Final answer
x = 557,574.27
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.