Finding the Fourth Proportional to 1,013,124.35, 1,398,122.64 and 554,229.05
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Solution
The fourth proportional to 1,013,124.35, 1,398,122.64 and 554,229.05 is: 764,842.12
Step by Step Solution
- Step 1: Write the proportion equation
1,013,124.35 : 1,398,122.64 = 554,229.05 : x - Step 2: Convert to fraction form
1,013,124.35/1,398,122.64 = 554,229.05/x - Step 3: Cross multiply
1,013,124.35x = 1,398,122.64 × 554,229.05 - Step 4: Simplify right side
1,013,124.35x = 774,880,175,560.08 - Step 5: Solve for x
x = 774,880,175,560.08/1,013,124.35 - Step 6: Final answer
x = 764,842.12
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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.