Finding the Fourth Proportional to 1,245,601.90, 1,869,277.65 and 797,412.70
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Solution
The fourth proportional to 1,245,601.90, 1,869,277.65 and 797,412.70 is: 1,196,679.08
Step by Step Solution
- Step 1: Write the proportion equation
1,245,601.90 : 1,869,277.65 = 797,412.70 : x - Step 2: Convert to fraction form
1,245,601.90/1,869,277.65 = 797,412.70/x - Step 3: Cross multiply
1,245,601.90x = 1,869,277.65 × 797,412.70 - Step 4: Simplify right side
1,245,601.90x = 1,490,585,737,936.15 - Step 5: Solve for x
x = 1,490,585,737,936.15/1,245,601.90 - Step 6: Final answer
x = 1,196,679.08
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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.