Finding the Fourth Proportional to 1,116,350.16, 1,540,376.34 and 657,556.08
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Solution
The fourth proportional to 1,116,350.16, 1,540,376.34 and 657,556.08 is: 907,317.31
Step by Step Solution
- Step 1: Write the proportion equation
1,116,350.16 : 1,540,376.34 = 657,556.08 : x - Step 2: Convert to fraction form
1,116,350.16/1,540,376.34 = 657,556.08/x - Step 3: Cross multiply
1,116,350.16x = 1,540,376.34 × 657,556.08 - Step 4: Simplify right side
1,116,350.16x = 1,012,883,827,855.15 - Step 5: Solve for x
x = 1,012,883,827,855.15/1,116,350.16 - Step 6: Final answer
x = 907,317.31
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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.