Finding the Fourth Proportional to 1,409,715.36, 1,945,409.33 and 765,135.79
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Solution
The fourth proportional to 1,409,715.36, 1,945,409.33 and 765,135.79 is: 1,055,888.55
Step by Step Solution
- Step 1: Write the proportion equation
1,409,715.36 : 1,945,409.33 = 765,135.79 : x - Step 2: Convert to fraction form
1,409,715.36/1,945,409.33 = 765,135.79/x - Step 3: Cross multiply
1,409,715.36x = 1,945,409.33 × 765,135.79 - Step 4: Simplify right side
1,409,715.36x = 1,488,502,301,632.24 - Step 5: Solve for x
x = 1,488,502,301,632.24/1,409,715.36 - Step 6: Final answer
x = 1,055,888.55
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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.