Finding the Fourth Proportional to 1,760,756.07, 2,642,133.63 and 749,772.60
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Solution
The fourth proportional to 1,760,756.07, 2,642,133.63 and 749,772.60 is: 1,125,084.52
Step by Step Solution
- Step 1: Write the proportion equation
1,760,756.07 : 2,642,133.63 = 749,772.60 : x - Step 2: Convert to fraction form
1,760,756.07/2,642,133.63 = 749,772.60/x - Step 3: Cross multiply
1,760,756.07x = 2,642,133.63 × 749,772.60 - Step 4: Simplify right side
1,760,756.07x = 1,980,999,401,312.54 - Step 5: Solve for x
x = 1,980,999,401,312.54/1,760,756.07 - Step 6: Final answer
x = 1,125,084.52
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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.