Finding the Fourth Proportional to 1,149,256.57, 1,585,973.99 and 666,101.97
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Solution
The fourth proportional to 1,149,256.57, 1,585,973.99 and 666,101.97 is: 919,220.67
Step by Step Solution
- Step 1: Write the proportion equation
1,149,256.57 : 1,585,973.99 = 666,101.97 : x - Step 2: Convert to fraction form
1,149,256.57/1,585,973.99 = 666,101.97/x - Step 3: Cross multiply
1,149,256.57x = 1,585,973.99 × 666,101.97 - Step 4: Simplify right side
1,149,256.57x = 1,056,420,396,312.46 - Step 5: Solve for x
x = 1,056,420,396,312.46/1,149,256.57 - Step 6: Final answer
x = 919,220.67
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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.