Finding the Fourth Proportional to 1,267,233.93, 1,900,818.09 and 425,785.68
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Solution
The fourth proportional to 1,267,233.93, 1,900,818.09 and 425,785.68 is: 638,667.50
Step by Step Solution
- Step 1: Write the proportion equation
1,267,233.93 : 1,900,818.09 = 425,785.68 : x - Step 2: Convert to fraction form
1,267,233.93/1,900,818.09 = 425,785.68/x - Step 3: Cross multiply
1,267,233.93x = 1,900,818.09 × 425,785.68 - Step 4: Simplify right side
1,267,233.93x = 809,341,123,006.95 - Step 5: Solve for x
x = 809,341,123,006.95/1,267,233.93 - Step 6: Final answer
x = 638,667.50
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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.