Finding the Fourth Proportional to 1,346,370.09, 1,857,981.87 and 765,593.28
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Solution
The fourth proportional to 1,346,370.09, 1,857,981.87 and 765,593.28 is: 1,056,513.69
Step by Step Solution
- Step 1: Write the proportion equation
1,346,370.09 : 1,857,981.87 = 765,593.28 : x - Step 2: Convert to fraction form
1,346,370.09/1,857,981.87 = 765,593.28/x - Step 3: Cross multiply
1,346,370.09x = 1,857,981.87 × 765,593.28 - Step 4: Simplify right side
1,346,370.09x = 1,422,458,430,961.49 - Step 5: Solve for x
x = 1,422,458,430,961.49/1,346,370.09 - Step 6: Final answer
x = 1,056,513.69
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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.