Finding the Fourth Proportional to 1,267,158.66, 1,901,021.68 and 425,687.46
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Solution
The fourth proportional to 1,267,158.66, 1,901,021.68 and 425,687.46 is: 638,626.49
Step by Step Solution
- Step 1: Write the proportion equation
1,267,158.66 : 1,901,021.68 = 425,687.46 : x - Step 2: Convert to fraction form
1,267,158.66/1,901,021.68 = 425,687.46/x - Step 3: Cross multiply
1,267,158.66x = 1,901,021.68 × 425,687.46 - Step 4: Simplify right side
1,267,158.66x = 809,241,090,364.13 - Step 5: Solve for x
x = 809,241,090,364.13/1,267,158.66 - Step 6: Final answer
x = 638,626.49
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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.