Finding the Fourth Proportional to 1,283,897.93, 1,771,757.49 and 710,925.80
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Solution
The fourth proportional to 1,283,897.93, 1,771,757.49 and 710,925.80 is: 981,065.61
Step by Step Solution
- Step 1: Write the proportion equation
1,283,897.93 : 1,771,757.49 = 710,925.80 : x - Step 2: Convert to fraction form
1,283,897.93/1,771,757.49 = 710,925.80/x - Step 3: Cross multiply
1,283,897.93x = 1,771,757.49 × 710,925.80 - Step 4: Simplify right side
1,283,897.93x = 1,259,588,110,984.24 - Step 5: Solve for x
x = 1,259,588,110,984.24/1,283,897.93 - Step 6: Final answer
x = 981,065.61
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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.