Finding the Fourth Proportional to 1,192,409.74, 1,788,420.21 and 350,764.66
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Solution
The fourth proportional to 1,192,409.74, 1,788,420.21 and 350,764.66 is: 526,089.80
Step by Step Solution
- Step 1: Write the proportion equation
1,192,409.74 : 1,788,420.21 = 350,764.66 : x - Step 2: Convert to fraction form
1,192,409.74/1,788,420.21 = 350,764.66/x - Step 3: Cross multiply
1,192,409.74x = 1,788,420.21 × 350,764.66 - Step 4: Simplify right side
1,192,409.74x = 627,314,606,897.78 - Step 5: Solve for x
x = 627,314,606,897.78/1,192,409.74 - Step 6: Final answer
x = 526,089.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.