Finding the Fourth Proportional to 1,306,469.91, 1,959,704.14 and 407,988.65
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Solution
The fourth proportional to 1,306,469.91, 1,959,704.14 and 407,988.65 is: 611,982.75
Step by Step Solution
- Step 1: Write the proportion equation
1,306,469.91 : 1,959,704.14 = 407,988.65 : x - Step 2: Convert to fraction form
1,306,469.91/1,959,704.14 = 407,988.65/x - Step 3: Cross multiply
1,306,469.91x = 1,959,704.14 × 407,988.65 - Step 4: Simplify right side
1,306,469.91x = 799,537,046,478.01 - Step 5: Solve for x
x = 799,537,046,478.01/1,306,469.91 - Step 6: Final answer
x = 611,982.75
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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.