Finding the Fourth Proportional to 1,270,262.46, 1,905,767.99 and 511,713.58
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Solution
The fourth proportional to 1,270,262.46, 1,905,767.99 and 511,713.58 is: 767,721.15
Step by Step Solution
- Step 1: Write the proportion equation
1,270,262.46 : 1,905,767.99 = 511,713.58 : x - Step 2: Convert to fraction form
1,270,262.46/1,905,767.99 = 511,713.58/x - Step 3: Cross multiply
1,270,262.46x = 1,905,767.99 × 511,713.58 - Step 4: Simplify right side
1,270,262.46x = 975,207,360,812.30 - Step 5: Solve for x
x = 975,207,360,812.30/1,270,262.46 - Step 6: Final answer
x = 767,721.15
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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.