Finding the Fourth Proportional to 1,267,154.66, 1,901,015.68 and 425,683.46
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Solution
The fourth proportional to 1,267,154.66, 1,901,015.68 and 425,683.46 is: 638,620.49
Step by Step Solution
- Step 1: Write the proportion equation
1,267,154.66 : 1,901,015.68 = 425,683.46 : x - Step 2: Convert to fraction form
1,267,154.66/1,901,015.68 = 425,683.46/x - Step 3: Cross multiply
1,267,154.66x = 1,901,015.68 × 425,683.46 - Step 4: Simplify right side
1,267,154.66x = 809,230,932,176.65 - Step 5: Solve for x
x = 809,230,932,176.65/1,267,154.66 - Step 6: Final answer
x = 638,620.49
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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.