Finding the Fourth Proportional to 1,098,420.96, 1,644,657.84 and 777,252.72
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Solution
The fourth proportional to 1,098,420.96, 1,644,657.84 and 777,252.72 is: 1,163,774.93
Step by Step Solution
- Step 1: Write the proportion equation
1,098,420.96 : 1,644,657.84 = 777,252.72 : x - Step 2: Convert to fraction form
1,098,420.96/1,644,657.84 = 777,252.72/x - Step 3: Cross multiply
1,098,420.96x = 1,644,657.84 × 777,252.72 - Step 4: Simplify right side
1,098,420.96x = 1,278,314,779,609.32 - Step 5: Solve for x
x = 1,278,314,779,609.32/1,098,420.96 - Step 6: Final answer
x = 1,163,774.93
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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.