Finding the Fourth Proportional to 1,244,302.80, 1,865,071.80 and 683,739.60
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Solution
The fourth proportional to 1,244,302.80, 1,865,071.80 and 683,739.60 is: 1,024,849.78
Step by Step Solution
- Step 1: Write the proportion equation
1,244,302.80 : 1,865,071.80 = 683,739.60 : x - Step 2: Convert to fraction form
1,244,302.80/1,865,071.80 = 683,739.60/x - Step 3: Cross multiply
1,244,302.80x = 1,865,071.80 × 683,739.60 - Step 4: Simplify right side
1,244,302.80x = 1,275,223,446,503.28 - Step 5: Solve for x
x = 1,275,223,446,503.28/1,244,302.80 - Step 6: Final answer
x = 1,024,849.78
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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.