Finding the Fourth Proportional to 1,012,506.72, 1,521,519.12 and 539,530.08
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Solution
The fourth proportional to 1,012,506.72, 1,521,519.12 and 539,530.08 is: 810,765.32
Step by Step Solution
- Step 1: Write the proportion equation
1,012,506.72 : 1,521,519.12 = 539,530.08 : x - Step 2: Convert to fraction form
1,012,506.72/1,521,519.12 = 539,530.08/x - Step 3: Cross multiply
1,012,506.72x = 1,521,519.12 × 539,530.08 - Step 4: Simplify right side
1,012,506.72x = 820,905,332,535.13 - Step 5: Solve for x
x = 820,905,332,535.13/1,012,506.72 - Step 6: Final answer
x = 810,765.32
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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.