Finding the Fourth Proportional to 1,720,532.68, 2,579,117.10 and 774,141.64
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Solution
The fourth proportional to 1,720,532.68, 2,579,117.10 and 774,141.64 is: 1,160,455.69
Step by Step Solution
- Step 1: Write the proportion equation
1,720,532.68 : 2,579,117.10 = 774,141.64 : x - Step 2: Convert to fraction form
1,720,532.68/2,579,117.10 = 774,141.64/x - Step 3: Cross multiply
1,720,532.68x = 2,579,117.10 × 774,141.64 - Step 4: Simplify right side
1,720,532.68x = 1,996,601,941,546.04 - Step 5: Solve for x
x = 1,996,601,941,546.04/1,720,532.68 - Step 6: Final answer
x = 1,160,455.69
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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.