Finding the Fourth Proportional to 1,070,918.91, 1,477,758.60 and 641,187.99
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Solution
The fourth proportional to 1,070,918.91, 1,477,758.60 and 641,187.99 is: 884,773.87
Step by Step Solution
- Step 1: Write the proportion equation
1,070,918.91 : 1,477,758.60 = 641,187.99 : x - Step 2: Convert to fraction form
1,070,918.91/1,477,758.60 = 641,187.99/x - Step 3: Cross multiply
1,070,918.91x = 1,477,758.60 × 641,187.99 - Step 4: Simplify right side
1,070,918.91x = 947,521,066,439.21 - Step 5: Solve for x
x = 947,521,066,439.21/1,070,918.91 - Step 6: Final answer
x = 884,773.87
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.