Finding the Fourth Proportional to 1,013,325.60, 1,398,378.96 and 560,619.84
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Solution
The fourth proportional to 1,013,325.60, 1,398,378.96 and 560,619.84 is: 773,649.64
Step by Step Solution
- Step 1: Write the proportion equation
1,013,325.60 : 1,398,378.96 = 560,619.84 : x - Step 2: Convert to fraction form
1,013,325.60/1,398,378.96 = 560,619.84/x - Step 3: Cross multiply
1,013,325.60x = 1,398,378.96 × 560,619.84 - Step 4: Simplify right side
1,013,325.60x = 783,958,988,814.57 - Step 5: Solve for x
x = 783,958,988,814.57/1,013,325.60 - Step 6: Final answer
x = 773,649.64
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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.