Finding the Fourth Proportional to 1,302,389.09, 1,796,724.42 and 785,854.87
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Solution
The fourth proportional to 1,302,389.09, 1,796,724.42 and 785,854.87 is: 1,084,134.26
Step by Step Solution
- Step 1: Write the proportion equation
1,302,389.09 : 1,796,724.42 = 785,854.87 : x - Step 2: Convert to fraction form
1,302,389.09/1,796,724.42 = 785,854.87/x - Step 3: Cross multiply
1,302,389.09x = 1,796,724.42 × 785,854.87 - Step 4: Simplify right side
1,302,389.09x = 1,411,964,631,013.11 - Step 5: Solve for x
x = 1,411,964,631,013.11/1,302,389.09 - Step 6: Final answer
x = 1,084,134.26
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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.