Finding the Fourth Proportional to 1,201,178.49, 1,657,626.48 and 657,314.41
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Solution
The fourth proportional to 1,201,178.49, 1,657,626.48 and 657,314.41 is: 907,093.98
Step by Step Solution
- Step 1: Write the proportion equation
1,201,178.49 : 1,657,626.48 = 657,314.41 : x - Step 2: Convert to fraction form
1,201,178.49/1,657,626.48 = 657,314.41/x - Step 3: Cross multiply
1,201,178.49x = 1,657,626.48 × 657,314.41 - Step 4: Simplify right side
1,201,178.49x = 1,089,581,771,701.58 - Step 5: Solve for x
x = 1,089,581,771,701.58/1,201,178.49 - Step 6: Final answer
x = 907,093.98
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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.