Finding the Fourth Proportional to 1,225,028.78, 1,837,916.99 and 626,410.43
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Solution
The fourth proportional to 1,225,028.78, 1,837,916.99 and 626,410.43 is: 939,806.79
Step by Step Solution
- Step 1: Write the proportion equation
1,225,028.78 : 1,837,916.99 = 626,410.43 : x - Step 2: Convert to fraction form
1,225,028.78/1,837,916.99 = 626,410.43/x - Step 3: Cross multiply
1,225,028.78x = 1,837,916.99 × 626,410.43 - Step 4: Simplify right side
1,225,028.78x = 1,151,290,359,688.57 - Step 5: Solve for x
x = 1,151,290,359,688.57/1,225,028.78 - Step 6: Final answer
x = 939,806.79
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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.