Finding the Fourth Proportional to 1,261,271.36, 1,891,854.12 and 587,120.96
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Solution
The fourth proportional to 1,261,271.36, 1,891,854.12 and 587,120.96 is: 880,656.81
Step by Step Solution
- Step 1: Write the proportion equation
1,261,271.36 : 1,891,854.12 = 587,120.96 : x - Step 2: Convert to fraction form
1,261,271.36/1,891,854.12 = 587,120.96/x - Step 3: Cross multiply
1,261,271.36x = 1,891,854.12 × 587,120.96 - Step 4: Simplify right side
1,261,271.36x = 1,110,747,207,114.36 - Step 5: Solve for x
x = 1,110,747,207,114.36/1,261,271.36 - Step 6: Final answer
x = 880,656.81
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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.