Finding the Fourth Proportional to 1,130,865.94, 1,560,958.68 and 724,063.42
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Solution
The fourth proportional to 1,130,865.94, 1,560,958.68 and 724,063.42 is: 999,440.38
Step by Step Solution
- Step 1: Write the proportion equation
1,130,865.94 : 1,560,958.68 = 724,063.42 : x - Step 2: Convert to fraction form
1,130,865.94/1,560,958.68 = 724,063.42/x - Step 3: Cross multiply
1,130,865.94x = 1,560,958.68 × 724,063.42 - Step 4: Simplify right side
1,130,865.94x = 1,130,233,080,319.49 - Step 5: Solve for x
x = 1,130,233,080,319.49/1,130,865.94 - Step 6: Final answer
x = 999,440.38
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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.