Finding the Fourth Proportional to 1,399,604.74, 2,099,740.25 and 452,975.42
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Solution
The fourth proportional to 1,399,604.74, 2,099,740.25 and 452,975.42 is: 679,570.95
Step by Step Solution
- Step 1: Write the proportion equation
1,399,604.74 : 2,099,740.25 = 452,975.42 : x - Step 2: Convert to fraction form
1,399,604.74/2,099,740.25 = 452,975.42/x - Step 3: Cross multiply
1,399,604.74x = 2,099,740.25 × 452,975.42 - Step 4: Simplify right side
1,399,604.74x = 951,130,728,016.44 - Step 5: Solve for x
x = 951,130,728,016.44/1,399,604.74 - Step 6: Final answer
x = 679,570.95
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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.