Finding the Fourth Proportional to 1,411,988.22, 1,948,556.52 and 767,409.96
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Solution
The fourth proportional to 1,411,988.22, 1,948,556.52 and 767,409.96 is: 1,059,032.69
Step by Step Solution
- Step 1: Write the proportion equation
1,411,988.22 : 1,948,556.52 = 767,409.96 : x - Step 2: Convert to fraction form
1,411,988.22/1,948,556.52 = 767,409.96/x - Step 3: Cross multiply
1,411,988.22x = 1,948,556.52 × 767,409.96 - Step 4: Simplify right side
1,411,988.22x = 1,495,341,681,070.94 - Step 5: Solve for x
x = 1,495,341,681,070.94/1,411,988.22 - Step 6: Final answer
x = 1,059,032.69
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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.