Finding the Fourth Proportional to 1,178,202.13, 1,625,940.62 and 654,961.99
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Solution
The fourth proportional to 1,178,202.13, 1,625,940.62 and 654,961.99 is: 903,859.60
Step by Step Solution
- Step 1: Write the proportion equation
1,178,202.13 : 1,625,940.62 = 654,961.99 : x - Step 2: Convert to fraction form
1,178,202.13/1,625,940.62 = 654,961.99/x - Step 3: Cross multiply
1,178,202.13x = 1,625,940.62 × 654,961.99 - Step 4: Simplify right side
1,178,202.13x = 1,064,929,304,097.03 - Step 5: Solve for x
x = 1,064,929,304,097.03/1,178,202.13 - Step 6: Final answer
x = 903,859.60
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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.