Finding the Fourth Proportional to 1,244,757.80, 1,867,136.70 and 346,197.80
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Solution
The fourth proportional to 1,244,757.80, 1,867,136.70 and 346,197.80 is: 519,296.70
Step by Step Solution
- Step 1: Write the proportion equation
1,244,757.80 : 1,867,136.70 = 346,197.80 : x - Step 2: Convert to fraction form
1,244,757.80/1,867,136.70 = 346,197.80/x - Step 3: Cross multiply
1,244,757.80x = 1,867,136.70 × 346,197.80 - Step 4: Simplify right side
1,244,757.80x = 646,398,617,839.26 - Step 5: Solve for x
x = 646,398,617,839.26/1,244,757.80 - Step 6: Final answer
x = 519,296.70
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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.