Finding the Fourth Proportional to 1,409,598.14, 1,945,259.97 and 765,023.90
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Solution
The fourth proportional to 1,409,598.14, 1,945,259.97 and 765,023.90 is: 1,055,740.87
Step by Step Solution
- Step 1: Write the proportion equation
1,409,598.14 : 1,945,259.97 = 765,023.90 : x - Step 2: Convert to fraction form
1,409,598.14/1,945,259.97 = 765,023.90/x - Step 3: Cross multiply
1,409,598.14x = 1,945,259.97 × 765,023.90 - Step 4: Simplify right side
1,409,598.14x = 1,488,170,368,763.28 - Step 5: Solve for x
x = 1,488,170,368,763.28/1,409,598.14 - Step 6: Final answer
x = 1,055,740.87
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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.