Finding the Fourth Proportional to 1,409,653.68, 1,945,323.14 and 765,073.70
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Solution
The fourth proportional to 1,409,653.68, 1,945,323.14 and 765,073.70 is: 1,055,802.28
Step by Step Solution
- Step 1: Write the proportion equation
1,409,653.68 : 1,945,323.14 = 765,073.70 : x - Step 2: Convert to fraction form
1,409,653.68/1,945,323.14 = 765,073.70/x - Step 3: Cross multiply
1,409,653.68x = 1,945,323.14 × 765,073.70 - Step 4: Simplify right side
1,409,653.68x = 1,488,315,573,453.36 - Step 5: Solve for x
x = 1,488,315,573,453.36/1,409,653.68 - Step 6: Final answer
x = 1,055,802.28
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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.