Finding the Fourth Proportional to 1,343,330.20, 1,853,792.76 and 731,473.48
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Solution
The fourth proportional to 1,343,330.20, 1,853,792.76 and 731,473.48 is: 1,009,431.81
Step by Step Solution
- Step 1: Write the proportion equation
1,343,330.20 : 1,853,792.76 = 731,473.48 : x - Step 2: Convert to fraction form
1,343,330.20/1,853,792.76 = 731,473.48/x - Step 3: Cross multiply
1,343,330.20x = 1,853,792.76 × 731,473.48 - Step 4: Simplify right side
1,343,330.20x = 1,356,000,241,356.00 - Step 5: Solve for x
x = 1,356,000,241,356.00/1,343,330.20 - Step 6: Final answer
x = 1,009,431.81
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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.