Finding the Fourth Proportional to 1,235,861.70, 1,849,855.95 and 881,567.70
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Solution
The fourth proportional to 1,235,861.70, 1,849,855.95 and 881,567.70 is: 1,319,543.49
Step by Step Solution
- Step 1: Write the proportion equation
1,235,861.70 : 1,849,855.95 = 881,567.70 : x - Step 2: Convert to fraction form
1,235,861.70/1,849,855.95 = 881,567.70/x - Step 3: Cross multiply
1,235,861.70x = 1,849,855.95 × 881,567.70 - Step 4: Simplify right side
1,235,861.70x = 1,630,773,255,172.82 - Step 5: Solve for x
x = 1,630,773,255,172.82/1,235,861.70 - Step 6: Final answer
x = 1,319,543.49
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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.