Finding the Fourth Proportional to 1,409,645.52, 1,945,329.48 and 765,073.44
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Solution
The fourth proportional to 1,409,645.52, 1,945,329.48 and 765,073.44 is: 1,055,811.48
Step by Step Solution
- Step 1: Write the proportion equation
1,409,645.52 : 1,945,329.48 = 765,073.44 : x - Step 2: Convert to fraction form
1,409,645.52/1,945,329.48 = 765,073.44/x - Step 3: Cross multiply
1,409,645.52x = 1,945,329.48 × 765,073.44 - Step 4: Simplify right side
1,409,645.52x = 1,488,319,917,197.01 - Step 5: Solve for x
x = 1,488,319,917,197.01/1,409,645.52 - Step 6: Final answer
x = 1,055,811.48
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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.