Finding the Fourth Proportional to 1,396,961.68, 2,094,312.36 and 436,923.34
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Solution
The fourth proportional to 1,396,961.68, 2,094,312.36 and 436,923.34 is: 655,031.53
Step by Step Solution
- Step 1: Write the proportion equation
1,396,961.68 : 2,094,312.36 = 436,923.34 : x - Step 2: Convert to fraction form
1,396,961.68/2,094,312.36 = 436,923.34/x - Step 3: Cross multiply
1,396,961.68x = 2,094,312.36 × 436,923.34 - Step 4: Simplify right side
1,396,961.68x = 915,053,951,334.48 - Step 5: Solve for x
x = 915,053,951,334.48/1,396,961.68 - Step 6: Final answer
x = 655,031.53
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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.