Finding the Fourth Proportional to 1,070,408.40, 1,477,231.88 and 707,195.09
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Solution
The fourth proportional to 1,070,408.40, 1,477,231.88 and 707,195.09 is: 975,974.33
Step by Step Solution
- Step 1: Write the proportion equation
1,070,408.40 : 1,477,231.88 = 707,195.09 : x - Step 2: Convert to fraction form
1,070,408.40/1,477,231.88 = 707,195.09/x - Step 3: Cross multiply
1,070,408.40x = 1,477,231.88 × 707,195.09 - Step 4: Simplify right side
1,070,408.40x = 1,044,691,121,405.33 - Step 5: Solve for x
x = 1,044,691,121,405.33/1,070,408.40 - Step 6: Final answer
x = 975,974.33
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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.