Finding the Fourth Proportional to 1,107,596.83, 1,528,622.68 and 648,886.41
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Solution
The fourth proportional to 1,107,596.83, 1,528,622.68 and 648,886.41 is: 895,544.71
Step by Step Solution
- Step 1: Write the proportion equation
1,107,596.83 : 1,528,622.68 = 648,886.41 : x - Step 2: Convert to fraction form
1,107,596.83/1,528,622.68 = 648,886.41/x - Step 3: Cross multiply
1,107,596.83x = 1,528,622.68 × 648,886.41 - Step 4: Simplify right side
1,107,596.83x = 991,902,483,069.78 - Step 5: Solve for x
x = 991,902,483,069.78/1,107,596.83 - Step 6: Final answer
x = 895,544.71
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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.