Finding the Fourth Proportional to 1,350,829.10, 1,864,158.85 and 738,968.70
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Solution
The fourth proportional to 1,350,829.10, 1,864,158.85 and 738,968.70 is: 1,019,784.84
Step by Step Solution
- Step 1: Write the proportion equation
1,350,829.10 : 1,864,158.85 = 738,968.70 : x - Step 2: Convert to fraction form
1,350,829.10/1,864,158.85 = 738,968.70/x - Step 3: Cross multiply
1,350,829.10x = 1,864,158.85 × 738,968.70 - Step 4: Simplify right side
1,350,829.10x = 1,377,555,041,977.99 - Step 5: Solve for x
x = 1,377,555,041,977.99/1,350,829.10 - Step 6: Final answer
x = 1,019,784.84
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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.