Finding the Fourth Proportional to 1,056,171.40, 1,585,034.70 and 425,537.80
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Solution
The fourth proportional to 1,056,171.40, 1,585,034.70 and 425,537.80 is: 638,620.00
Step by Step Solution
- Step 1: Write the proportion equation
1,056,171.40 : 1,585,034.70 = 425,537.80 : x - Step 2: Convert to fraction form
1,056,171.40/1,585,034.70 = 425,537.80/x - Step 3: Cross multiply
1,056,171.40x = 1,585,034.70 × 425,537.80 - Step 4: Simplify right side
1,056,171.40x = 674,492,179,161.66 - Step 5: Solve for x
x = 674,492,179,161.66/1,056,171.40 - Step 6: Final answer
x = 638,620.00
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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.