Finding the Fourth Proportional to 1,107,885.72, 1,660,642.74 and 791,383.08
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Solution
The fourth proportional to 1,107,885.72, 1,660,642.74 and 791,383.08 is: 1,186,227.55
Step by Step Solution
- Step 1: Write the proportion equation
1,107,885.72 : 1,660,642.74 = 791,383.08 : x - Step 2: Convert to fraction form
1,107,885.72/1,660,642.74 = 791,383.08/x - Step 3: Cross multiply
1,107,885.72x = 1,660,642.74 × 791,383.08 - Step 4: Simplify right side
1,107,885.72x = 1,314,204,566,360.84 - Step 5: Solve for x
x = 1,314,204,566,360.84/1,107,885.72 - Step 6: Final answer
x = 1,186,227.55
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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.