Finding the Fourth Proportional to 1,202,270.16, 1,658,848.19 and 711,992.10
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Solution
The fourth proportional to 1,202,270.16, 1,658,848.19 and 711,992.10 is: 982,380.53
Step by Step Solution
- Step 1: Write the proportion equation
1,202,270.16 : 1,658,848.19 = 711,992.10 : x - Step 2: Convert to fraction form
1,202,270.16/1,658,848.19 = 711,992.10/x - Step 3: Cross multiply
1,202,270.16x = 1,658,848.19 × 711,992.10 - Step 4: Simplify right side
1,202,270.16x = 1,181,086,802,819.34 - Step 5: Solve for x
x = 1,181,086,802,819.34/1,202,270.16 - Step 6: Final answer
x = 982,380.53
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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.