Finding the Fourth Proportional to 1,332,519.23, 1,838,876.54 and 720,671.99
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Solution
The fourth proportional to 1,332,519.23, 1,838,876.54 and 720,671.99 is: 994,527.34
Step by Step Solution
- Step 1: Write the proportion equation
1,332,519.23 : 1,838,876.54 = 720,671.99 : x - Step 2: Convert to fraction form
1,332,519.23/1,838,876.54 = 720,671.99/x - Step 3: Cross multiply
1,332,519.23x = 1,838,876.54 × 720,671.99 - Step 4: Simplify right side
1,332,519.23x = 1,325,226,802,648.37 - Step 5: Solve for x
x = 1,325,226,802,648.37/1,332,519.23 - Step 6: Final answer
x = 994,527.34
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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.