Finding the Fourth Proportional to 1,172,544.99, 1,758,369.14 and 639,781.26
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Solution
The fourth proportional to 1,172,544.99, 1,758,369.14 and 639,781.26 is: 959,427.26
Step by Step Solution
- Step 1: Write the proportion equation
1,172,544.99 : 1,758,369.14 = 639,781.26 : x - Step 2: Convert to fraction form
1,172,544.99/1,758,369.14 = 639,781.26/x - Step 3: Cross multiply
1,172,544.99x = 1,758,369.14 × 639,781.26 - Step 4: Simplify right side
1,172,544.99x = 1,124,971,623,934.32 - Step 5: Solve for x
x = 1,124,971,623,934.32/1,172,544.99 - Step 6: Final answer
x = 959,427.26
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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.