Finding the Fourth Proportional to 1,129,932.09, 1,559,317.55 and 613,696.07
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Solution
The fourth proportional to 1,129,932.09, 1,559,317.55 and 613,696.07 is: 846,906.69
Step by Step Solution
- Step 1: Write the proportion equation
1,129,932.09 : 1,559,317.55 = 613,696.07 : x - Step 2: Convert to fraction form
1,129,932.09/1,559,317.55 = 613,696.07/x - Step 3: Cross multiply
1,129,932.09x = 1,559,317.55 × 613,696.07 - Step 4: Simplify right side
1,129,932.09x = 956,947,041,451.96 - Step 5: Solve for x
x = 956,947,041,451.96/1,129,932.09 - Step 6: Final answer
x = 846,906.69
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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.