Finding the Fourth Proportional to 1,330,363.20, 1,995,544.80 and 572,567.70
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Solution
The fourth proportional to 1,330,363.20, 1,995,544.80 and 572,567.70 is: 858,851.55
Step by Step Solution
- Step 1: Write the proportion equation
1,330,363.20 : 1,995,544.80 = 572,567.70 : x - Step 2: Convert to fraction form
1,330,363.20/1,995,544.80 = 572,567.70/x - Step 3: Cross multiply
1,330,363.20x = 1,995,544.80 × 572,567.70 - Step 4: Simplify right side
1,330,363.20x = 1,142,584,496,382.96 - Step 5: Solve for x
x = 1,142,584,496,382.96/1,330,363.20 - Step 6: Final answer
x = 858,851.55
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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.