Finding the Fourth Proportional to 1,343,678.63, 1,854,276.50 and 740,066.63
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Solution
The fourth proportional to 1,343,678.63, 1,854,276.50 and 740,066.63 is: 1,021,291.94
Step by Step Solution
- Step 1: Write the proportion equation
1,343,678.63 : 1,854,276.50 = 740,066.63 : x - Step 2: Convert to fraction form
1,343,678.63/1,854,276.50 = 740,066.63/x - Step 3: Cross multiply
1,343,678.63x = 1,854,276.50 × 740,066.63 - Step 4: Simplify right side
1,343,678.63x = 1,372,288,153,021.98 - Step 5: Solve for x
x = 1,372,288,153,021.98/1,343,678.63 - Step 6: Final answer
x = 1,021,291.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.