Finding the Fourth Proportional to 1,138,325.71, 1,570,890.04 and 629,028.09
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Solution
The fourth proportional to 1,138,325.71, 1,570,890.04 and 629,028.09 is: 868,059.07
Step by Step Solution
- Step 1: Write the proportion equation
1,138,325.71 : 1,570,890.04 = 629,028.09 : x - Step 2: Convert to fraction form
1,138,325.71/1,570,890.04 = 629,028.09/x - Step 3: Cross multiply
1,138,325.71x = 1,570,890.04 × 629,028.09 - Step 4: Simplify right side
1,138,325.71x = 988,133,961,461.22 - Step 5: Solve for x
x = 988,133,961,461.22/1,138,325.71 - Step 6: Final answer
x = 868,059.07
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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.