Finding the Fourth Proportional to 1,272,716.26, 1,756,355.33 and 749,449.57
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Solution
The fourth proportional to 1,272,716.26, 1,756,355.33 and 749,449.57 is: 1,034,244.47
Step by Step Solution
- Step 1: Write the proportion equation
1,272,716.26 : 1,756,355.33 = 749,449.57 : x - Step 2: Convert to fraction form
1,272,716.26/1,756,355.33 = 749,449.57/x - Step 3: Cross multiply
1,272,716.26x = 1,756,355.33 × 749,449.57 - Step 4: Simplify right side
1,272,716.26x = 1,316,299,756,194.36 - Step 5: Solve for x
x = 1,316,299,756,194.36/1,272,716.26 - Step 6: Final answer
x = 1,034,244.47
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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.