Finding the Fourth Proportional to 1,045,263.80, 1,567,895.70 and 835,311.80
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Solution
The fourth proportional to 1,045,263.80, 1,567,895.70 and 835,311.80 is: 1,252,967.70
Step by Step Solution
- Step 1: Write the proportion equation
1,045,263.80 : 1,567,895.70 = 835,311.80 : x - Step 2: Convert to fraction form
1,045,263.80/1,567,895.70 = 835,311.80/x - Step 3: Cross multiply
1,045,263.80x = 1,567,895.70 × 835,311.80 - Step 4: Simplify right side
1,045,263.80x = 1,309,681,779,379.26 - Step 5: Solve for x
x = 1,309,681,779,379.26/1,045,263.80 - Step 6: Final answer
x = 1,252,967.70
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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.