Finding the Fourth Proportional to 1,318,403.98, 1,977,609.21 and 371,779.66
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Solution
The fourth proportional to 1,318,403.98, 1,977,609.21 and 371,779.66 is: 557,670.40
Step by Step Solution
- Step 1: Write the proportion equation
1,318,403.98 : 1,977,609.21 = 371,779.66 : x - Step 2: Convert to fraction form
1,318,403.98/1,977,609.21 = 371,779.66/x - Step 3: Cross multiply
1,318,403.98x = 1,977,609.21 × 371,779.66 - Step 4: Simplify right side
1,318,403.98x = 735,234,879,706.67 - Step 5: Solve for x
x = 735,234,879,706.67/1,318,403.98 - Step 6: Final answer
x = 557,670.40
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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.