Finding the Fourth Proportional to 1,070,486.99, 1,477,135.94 and 611,631.29
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Solution
The fourth proportional to 1,070,486.99, 1,477,135.94 and 611,631.29 is: 843,973.41
Step by Step Solution
- Step 1: Write the proportion equation
1,070,486.99 : 1,477,135.94 = 611,631.29 : x - Step 2: Convert to fraction form
1,070,486.99/1,477,135.94 = 611,631.29/x - Step 3: Cross multiply
1,070,486.99x = 1,477,135.94 × 611,631.29 - Step 4: Simplify right side
1,070,486.99x = 903,462,550,043.73 - Step 5: Solve for x
x = 903,462,550,043.73/1,070,486.99 - Step 6: Final answer
x = 843,973.41
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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.