Finding the Fourth Proportional to 1,138,640.16, 1,707,898.64 and 577,660.08
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Solution
The fourth proportional to 1,138,640.16, 1,707,898.64 and 577,660.08 is: 866,458.87
Step by Step Solution
- Step 1: Write the proportion equation
1,138,640.16 : 1,707,898.64 = 577,660.08 : x - Step 2: Convert to fraction form
1,138,640.16/1,707,898.64 = 577,660.08/x - Step 3: Cross multiply
1,138,640.16x = 1,707,898.64 × 577,660.08 - Step 4: Simplify right side
1,138,640.16x = 986,584,865,014.29 - Step 5: Solve for x
x = 986,584,865,014.29/1,138,640.16 - Step 6: Final answer
x = 866,458.87
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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.