Finding the Fourth Proportional to 1,274,904.80, 1,911,911.36 and 376,107.84
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Solution
The fourth proportional to 1,274,904.80, 1,911,911.36 and 376,107.84 is: 564,030.23
Step by Step Solution
- Step 1: Write the proportion equation
1,274,904.80 : 1,911,911.36 = 376,107.84 : x - Step 2: Convert to fraction form
1,274,904.80/1,911,911.36 = 376,107.84/x - Step 3: Cross multiply
1,274,904.80x = 1,911,911.36 × 376,107.84 - Step 4: Simplify right side
1,274,904.80x = 719,084,851,881.06 - Step 5: Solve for x
x = 719,084,851,881.06/1,274,904.80 - Step 6: Final answer
x = 564,030.23
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.