Finding the Fourth Proportional to 1,723,698.72, 2,585,724.65 and 659,635.74
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Solution
The fourth proportional to 1,723,698.72, 2,585,724.65 and 659,635.74 is: 989,521.18
Step by Step Solution
- Step 1: Write the proportion equation
1,723,698.72 : 2,585,724.65 = 659,635.74 : x - Step 2: Convert to fraction form
1,723,698.72/2,585,724.65 = 659,635.74/x - Step 3: Cross multiply
1,723,698.72x = 2,585,724.65 × 659,635.74 - Step 4: Simplify right side
1,723,698.72x = 1,705,636,392,938.99 - Step 5: Solve for x
x = 1,705,636,392,938.99/1,723,698.72 - Step 6: Final answer
x = 989,521.18
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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.