Finding the Fourth Proportional to 1,256,583.99, 1,734,688.20 and 773,563.17
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Solution
The fourth proportional to 1,256,583.99, 1,734,688.20 and 773,563.17 is: 1,067,887.95
Step by Step Solution
- Step 1: Write the proportion equation
1,256,583.99 : 1,734,688.20 = 773,563.17 : x - Step 2: Convert to fraction form
1,256,583.99/1,734,688.20 = 773,563.17/x - Step 3: Cross multiply
1,256,583.99x = 1,734,688.20 × 773,563.17 - Step 4: Simplify right side
1,256,583.99x = 1,341,890,902,953.59 - Step 5: Solve for x
x = 1,341,890,902,953.59/1,256,583.99 - Step 6: Final answer
x = 1,067,887.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.