Finding the Fourth Proportional to 1,332,068.44, 1,838,250.73 and 720,216.92
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Solution
The fourth proportional to 1,332,068.44, 1,838,250.73 and 720,216.92 is: 993,897.34
Step by Step Solution
- Step 1: Write the proportion equation
1,332,068.44 : 1,838,250.73 = 720,216.92 : x - Step 2: Convert to fraction form
1,332,068.44/1,838,250.73 = 720,216.92/x - Step 3: Cross multiply
1,332,068.44x = 1,838,250.73 × 720,216.92 - Step 4: Simplify right side
1,332,068.44x = 1,323,939,272,078.48 - Step 5: Solve for x
x = 1,323,939,272,078.48/1,332,068.44 - Step 6: Final answer
x = 993,897.34
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1.5x scale
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.