Finding the Fourth Proportional to 1,227,536.07, 1,841,738.27 and 429,038.07
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Solution
The fourth proportional to 1,227,536.07, 1,841,738.27 and 429,038.07 is: 643,708.85
Step by Step Solution
- Step 1: Write the proportion equation
1,227,536.07 : 1,841,738.27 = 429,038.07 : x - Step 2: Convert to fraction form
1,227,536.07/1,841,738.27 = 429,038.07/x - Step 3: Cross multiply
1,227,536.07x = 1,841,738.27 × 429,038.07 - Step 4: Simplify right side
1,227,536.07x = 790,175,830,660.75 - Step 5: Solve for x
x = 790,175,830,660.75/1,227,536.07 - Step 6: Final answer
x = 643,708.85
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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.