Finding the Fourth Proportional to 1,194,660.81, 1,648,631.21 and 658,116.81
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Solution
The fourth proportional to 1,194,660.81, 1,648,631.21 and 658,116.81 is: 908,200.81
Step by Step Solution
- Step 1: Write the proportion equation
1,194,660.81 : 1,648,631.21 = 658,116.81 : x - Step 2: Convert to fraction form
1,194,660.81/1,648,631.21 = 658,116.81/x - Step 3: Cross multiply
1,194,660.81x = 1,648,631.21 × 658,116.81 - Step 4: Simplify right side
1,194,660.81x = 1,084,991,909,501.06 - Step 5: Solve for x
x = 1,084,991,909,501.06/1,194,660.81 - Step 6: Final answer
x = 908,200.81
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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.