Finding the Fourth Proportional to 1,219,006.13, 1,682,224.23 and 702,757.55
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Solution
The fourth proportional to 1,219,006.13, 1,682,224.23 and 702,757.55 is: 969,802.99
Step by Step Solution
- Step 1: Write the proportion equation
1,219,006.13 : 1,682,224.23 = 702,757.55 : x - Step 2: Convert to fraction form
1,219,006.13/1,682,224.23 = 702,757.55/x - Step 3: Cross multiply
1,219,006.13x = 1,682,224.23 × 702,757.55 - Step 4: Simplify right side
1,219,006.13x = 1,182,195,785,266.34 - Step 5: Solve for x
x = 1,182,195,785,266.34/1,219,006.13 - Step 6: Final answer
x = 969,802.99
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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.