Finding the Fourth Proportional to 1,256,899.88, 1,885,645.11 and 415,451.63
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Solution
The fourth proportional to 1,256,899.88, 1,885,645.11 and 415,451.63 is: 623,275.05
Step by Step Solution
- Step 1: Write the proportion equation
1,256,899.88 : 1,885,645.11 = 415,451.63 : x - Step 2: Convert to fraction form
1,256,899.88/1,885,645.11 = 415,451.63/x - Step 3: Cross multiply
1,256,899.88x = 1,885,645.11 × 415,451.63 - Step 4: Simplify right side
1,256,899.88x = 783,394,334,551.03 - Step 5: Solve for x
x = 783,394,334,551.03/1,256,899.88 - Step 6: Final answer
x = 623,275.05
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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.