Finding the Fourth Proportional to 1,399,599.08, 2,099,731.78 and 452,969.80
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Solution
The fourth proportional to 1,399,599.08, 2,099,731.78 and 452,969.80 is: 679,562.52
Step by Step Solution
- Step 1: Write the proportion equation
1,399,599.08 : 2,099,731.78 = 452,969.80 : x - Step 2: Convert to fraction form
1,399,599.08/2,099,731.78 = 452,969.80/x - Step 3: Cross multiply
1,399,599.08x = 2,099,731.78 × 452,969.80 - Step 4: Simplify right side
1,399,599.08x = 951,115,079,757.13 - Step 5: Solve for x
x = 951,115,079,757.13/1,399,599.08 - Step 6: Final answer
x = 679,562.52
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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.