Finding the Fourth Proportional to 1,070,919.42, 1,477,860.16 and 580,887.70
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Solution
The fourth proportional to 1,070,919.42, 1,477,860.16 and 580,887.70 is: 801,620.34
Step by Step Solution
- Step 1: Write the proportion equation
1,070,919.42 : 1,477,860.16 = 580,887.70 : x - Step 2: Convert to fraction form
1,070,919.42/1,477,860.16 = 580,887.70/x - Step 3: Cross multiply
1,070,919.42x = 1,477,860.16 × 580,887.70 - Step 4: Simplify right side
1,070,919.42x = 858,470,789,264.03 - Step 5: Solve for x
x = 858,470,789,264.03/1,070,919.42 - Step 6: Final answer
x = 801,620.34
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1.5x scale
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.