Finding the Fourth Proportional to 1,070,579.08, 1,477,418.03 and 587,139.99
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Solution
The fourth proportional to 1,070,579.08, 1,477,418.03 and 587,139.99 is: 810,263.55
Step by Step Solution
- Step 1: Write the proportion equation
1,070,579.08 : 1,477,418.03 = 587,139.99 : x - Step 2: Convert to fraction form
1,070,579.08/1,477,418.03 = 587,139.99/x - Step 3: Cross multiply
1,070,579.08x = 1,477,418.03 × 587,139.99 - Step 4: Simplify right side
1,070,579.08x = 867,451,207,360.02 - Step 5: Solve for x
x = 867,451,207,360.02/1,070,579.08 - Step 6: Final answer
x = 810,263.55
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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.