Finding the Fourth Proportional to 1,378,773.24, 1,902,706.98 and 775,161.24
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Solution
The fourth proportional to 1,378,773.24, 1,902,706.98 and 775,161.24 is: 1,069,722.46
Step by Step Solution
- Step 1: Write the proportion equation
1,378,773.24 : 1,902,706.98 = 775,161.24 : x - Step 2: Convert to fraction form
1,378,773.24/1,902,706.98 = 775,161.24/x - Step 3: Cross multiply
1,378,773.24x = 1,902,706.98 × 775,161.24 - Step 4: Simplify right side
1,378,773.24x = 1,474,904,701,973.46 - Step 5: Solve for x
x = 1,474,904,701,973.46/1,378,773.24 - Step 6: Final answer
x = 1,069,722.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.