Finding the Fourth Proportional to 1,352,407, 1,866,380 and 748,795
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Solution
The fourth proportional to 1,352,407, 1,866,380 and 748,795 is: 1,033,369.40
Step by Step Solution
- Step 1: Write the proportion equation
1,352,407 : 1,866,380 = 748,795 : x - Step 2: Convert to fraction form
1,352,407/1,866,380 = 748,795/x - Step 3: Cross multiply
1,352,407x = 1,866,380 × 748,795 - Step 4: Simplify right side
1,352,407x = 1,397,536,012,100 - Step 5: Solve for x
x = 1,397,536,012,100/1,352,407 - Step 6: Final answer
x = 1,033,369.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.