Finding the Fourth Proportional to 1,378,704.72, 1,902,566.84 and 766,840.18
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Solution
The fourth proportional to 1,378,704.72, 1,902,566.84 and 766,840.18 is: 1,058,214.04
Step by Step Solution
- Step 1: Write the proportion equation
1,378,704.72 : 1,902,566.84 = 766,840.18 : x - Step 2: Convert to fraction form
1,378,704.72/1,902,566.84 = 766,840.18/x - Step 3: Cross multiply
1,378,704.72x = 1,902,566.84 × 766,840.18 - Step 4: Simplify right side
1,378,704.72x = 1,458,964,698,047.63 - Step 5: Solve for x
x = 1,458,964,698,047.63/1,378,704.72 - Step 6: Final answer
x = 1,058,214.04
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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.