Finding the Fourth Proportional to 1,412,681.97, 1,949,478.18 and 768,118.41
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Solution
The fourth proportional to 1,412,681.97, 1,949,478.18 and 768,118.41 is: 1,059,990.93
Step by Step Solution
- Step 1: Write the proportion equation
1,412,681.97 : 1,949,478.18 = 768,118.41 : x - Step 2: Convert to fraction form
1,412,681.97/1,949,478.18 = 768,118.41/x - Step 3: Cross multiply
1,412,681.97x = 1,949,478.18 × 768,118.41 - Step 4: Simplify right side
1,412,681.97x = 1,497,430,079,951.29 - Step 5: Solve for x
x = 1,497,430,079,951.29/1,412,681.97 - Step 6: Final answer
x = 1,059,990.93
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.