Finding the Fourth Proportional to 1,104,154.34, 1,656,231.76 and 345,995.68
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Solution
The fourth proportional to 1,104,154.34, 1,656,231.76 and 345,995.68 is: 518,993.60
Step by Step Solution
- Step 1: Write the proportion equation
1,104,154.34 : 1,656,231.76 = 345,995.68 : x - Step 2: Convert to fraction form
1,104,154.34/1,656,231.76 = 345,995.68/x - Step 3: Cross multiply
1,104,154.34x = 1,656,231.76 × 345,995.68 - Step 4: Simplify right side
1,104,154.34x = 573,049,034,038.80 - Step 5: Solve for x
x = 573,049,034,038.80/1,104,154.34 - Step 6: Final answer
x = 518,993.60
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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.