Finding the Fourth Proportional to 1,262,564.92, 1,894,113.38 and 409,569.99
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Solution
The fourth proportional to 1,262,564.92, 1,894,113.38 and 409,569.99 is: 614,441.27
Step by Step Solution
- Step 1: Write the proportion equation
1,262,564.92 : 1,894,113.38 = 409,569.99 : x - Step 2: Convert to fraction form
1,262,564.92/1,894,113.38 = 409,569.99/x - Step 3: Cross multiply
1,262,564.92x = 1,894,113.38 × 409,569.99 - Step 4: Simplify right side
1,262,564.92x = 775,771,998,105.47 - Step 5: Solve for x
x = 775,771,998,105.47/1,262,564.92 - Step 6: Final answer
x = 614,441.27
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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.