Finding the Fourth Proportional to 1,374,959.09, 1,897,414.99 and 763,076.32
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Solution
The fourth proportional to 1,374,959.09, 1,897,414.99 and 763,076.32 is: 1,053,029.47
Step by Step Solution
- Step 1: Write the proportion equation
1,374,959.09 : 1,897,414.99 = 763,076.32 : x - Step 2: Convert to fraction form
1,374,959.09/1,897,414.99 = 763,076.32/x - Step 3: Cross multiply
1,374,959.09x = 1,897,414.99 × 763,076.32 - Step 4: Simplify right side
1,374,959.09x = 1,447,872,448,082.04 - Step 5: Solve for x
x = 1,447,872,448,082.04/1,374,959.09 - Step 6: Final answer
x = 1,053,029.47
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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.