Finding the Fourth Proportional to 1,332,939.60, 1,997,659.80 and 533,566.80
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Solution
The fourth proportional to 1,332,939.60, 1,997,659.80 and 533,566.80 is: 799,649.85
Step by Step Solution
- Step 1: Write the proportion equation
1,332,939.60 : 1,997,659.80 = 533,566.80 : x - Step 2: Convert to fraction form
1,332,939.60/1,997,659.80 = 533,566.80/x - Step 3: Cross multiply
1,332,939.60x = 1,997,659.80 × 533,566.80 - Step 4: Simplify right side
1,332,939.60x = 1,065,884,946,974.64 - Step 5: Solve for x
x = 1,065,884,946,974.64/1,332,939.60 - Step 6: Final answer
x = 799,649.85
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.