Finding the Fourth Proportional to 1,013,125.35, 1,398,124.02 and 554,230.05
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Solution
The fourth proportional to 1,013,125.35, 1,398,124.02 and 554,230.05 is: 764,843.51
Step by Step Solution
- Step 1: Write the proportion equation
1,013,125.35 : 1,398,124.02 = 554,230.05 : x - Step 2: Convert to fraction form
1,013,125.35/1,398,124.02 = 554,230.05/x - Step 3: Cross multiply
1,013,125.35x = 1,398,124.02 × 554,230.05 - Step 4: Simplify right side
1,013,125.35x = 774,882,345,510.80 - Step 5: Solve for x
x = 774,882,345,510.80/1,013,125.35 - Step 6: Final answer
x = 764,843.51
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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.