Finding the Fourth Proportional to 1,219,198.92, 1,682,335.08 and 702,972.24
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Solution
The fourth proportional to 1,219,198.92, 1,682,335.08 and 702,972.24 is: 970,009.77
Step by Step Solution
- Step 1: Write the proportion equation
1,219,198.92 : 1,682,335.08 = 702,972.24 : x - Step 2: Convert to fraction form
1,219,198.92/1,682,335.08 = 702,972.24/x - Step 3: Cross multiply
1,219,198.92x = 1,682,335.08 × 702,972.24 - Step 4: Simplify right side
1,219,198.92x = 1,182,634,859,618.18 - Step 5: Solve for x
x = 1,182,634,859,618.18/1,219,198.92 - Step 6: Final answer
x = 970,009.77
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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.