Finding the Fourth Proportional to 1,070,564.88, 1,477,398.48 and 587,125.80
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Solution
The fourth proportional to 1,070,564.88, 1,477,398.48 and 587,125.80 is: 810,243.99
Step by Step Solution
- Step 1: Write the proportion equation
1,070,564.88 : 1,477,398.48 = 587,125.80 : x - Step 2: Convert to fraction form
1,070,564.88/1,477,398.48 = 587,125.80/x - Step 3: Cross multiply
1,070,564.88x = 1,477,398.48 × 587,125.80 - Step 4: Simplify right side
1,070,564.88x = 867,418,764,488.78 - Step 5: Solve for x
x = 867,418,764,488.78/1,070,564.88 - Step 6: Final answer
x = 810,243.99
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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.