Finding the Fourth Proportional to 1,284,536.90, 1,772,849.76 and 740,566.44
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Solution
The fourth proportional to 1,284,536.90, 1,772,849.76 and 740,566.44 is: 1,022,090.56
Step by Step Solution
- Step 1: Write the proportion equation
1,284,536.90 : 1,772,849.76 = 740,566.44 : x - Step 2: Convert to fraction form
1,284,536.90/1,772,849.76 = 740,566.44/x - Step 3: Cross multiply
1,284,536.90x = 1,772,849.76 × 740,566.44 - Step 4: Simplify right side
1,284,536.90x = 1,312,913,035,418.05 - Step 5: Solve for x
x = 1,312,913,035,418.05/1,284,536.90 - Step 6: Final answer
x = 1,022,090.56
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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.