Finding the Fourth Proportional to 1,273,398.92, 1,909,441.14 and 374,723.96
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Solution
The fourth proportional to 1,273,398.92, 1,909,441.14 and 374,723.96 is: 561,892.53
Step by Step Solution
- Step 1: Write the proportion equation
1,273,398.92 : 1,909,441.14 = 374,723.96 : x - Step 2: Convert to fraction form
1,273,398.92/1,909,441.14 = 374,723.96/x - Step 3: Cross multiply
1,273,398.92x = 1,909,441.14 × 374,723.96 - Step 4: Simplify right side
1,273,398.92x = 715,513,345,367.71 - Step 5: Solve for x
x = 715,513,345,367.71/1,273,398.92 - Step 6: Final answer
x = 561,892.53
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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.