Finding the Fourth Proportional to 1,352,756.19, 2,028,915.57 and 405,960.15
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Solution
The fourth proportional to 1,352,756.19, 2,028,915.57 and 405,960.15 is: 608,874.59
Step by Step Solution
- Step 1: Write the proportion equation
1,352,756.19 : 2,028,915.57 = 405,960.15 : x - Step 2: Convert to fraction form
1,352,756.19/2,028,915.57 = 405,960.15/x - Step 3: Cross multiply
1,352,756.19x = 2,028,915.57 × 405,960.15 - Step 4: Simplify right side
1,352,756.19x = 823,658,869,134.54 - Step 5: Solve for x
x = 823,658,869,134.54/1,352,756.19 - Step 6: Final answer
x = 608,874.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.