Finding the Fourth Proportional to 1,107,707.68, 1,528,708.64 and 617,732.48
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Solution
The fourth proportional to 1,107,707.68, 1,528,708.64 and 617,732.48 is: 852,511.00
Step by Step Solution
- Step 1: Write the proportion equation
1,107,707.68 : 1,528,708.64 = 617,732.48 : x - Step 2: Convert to fraction form
1,107,707.68/1,528,708.64 = 617,732.48/x - Step 3: Cross multiply
1,107,707.68x = 1,528,708.64 × 617,732.48 - Step 4: Simplify right side
1,107,707.68x = 944,332,979,384.63 - Step 5: Solve for x
x = 944,332,979,384.63/1,107,707.68 - Step 6: Final answer
x = 852,511.00
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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.