Finding the Fourth Proportional to 1,342,291.19, 1,852,362.11 and 738,679.19
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Solution
The fourth proportional to 1,342,291.19, 1,852,362.11 and 738,679.19 is: 1,019,377.43
Step by Step Solution
- Step 1: Write the proportion equation
1,342,291.19 : 1,852,362.11 = 738,679.19 : x - Step 2: Convert to fraction form
1,342,291.19/1,852,362.11 = 738,679.19/x - Step 3: Cross multiply
1,342,291.19x = 1,852,362.11 × 738,679.19 - Step 4: Simplify right side
1,342,291.19x = 1,368,301,343,001.49 - Step 5: Solve for x
x = 1,368,301,343,001.49/1,342,291.19 - Step 6: Final answer
x = 1,019,377.43
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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.