Finding the Fourth Proportional to 1,403,457.75, 1,936,770.35 and 758,876.40
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Solution
The fourth proportional to 1,403,457.75, 1,936,770.35 and 758,876.40 is: 1,047,248.70
Step by Step Solution
- Step 1: Write the proportion equation
1,403,457.75 : 1,936,770.35 = 758,876.40 : x - Step 2: Convert to fraction form
1,403,457.75/1,936,770.35 = 758,876.40/x - Step 3: Cross multiply
1,403,457.75x = 1,936,770.35 × 758,876.40 - Step 4: Simplify right side
1,403,457.75x = 1,469,769,307,040.36 - Step 5: Solve for x
x = 1,469,769,307,040.36/1,403,457.75 - Step 6: Final answer
x = 1,047,248.70
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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.