Finding the Fourth Proportional to 1,201,184.65, 1,657,634.99 and 657,320.56
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Solution
The fourth proportional to 1,201,184.65, 1,657,634.99 and 657,320.56 is: 907,102.46
Step by Step Solution
- Step 1: Write the proportion equation
1,201,184.65 : 1,657,634.99 = 657,320.56 : x - Step 2: Convert to fraction form
1,201,184.65/1,657,634.99 = 657,320.56/x - Step 3: Cross multiply
1,201,184.65x = 1,657,634.99 × 657,320.56 - Step 4: Simplify right side
1,201,184.65x = 1,089,597,556,615.79 - Step 5: Solve for x
x = 1,089,597,556,615.79/1,201,184.65 - Step 6: Final answer
x = 907,102.46
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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.