Finding the Fourth Proportional to 1,283,718.13, 1,771,586.37 and 710,758.28
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Solution
The fourth proportional to 1,283,718.13, 1,771,586.37 and 710,758.28 is: 980,877.07
Step by Step Solution
- Step 1: Write the proportion equation
1,283,718.13 : 1,771,586.37 = 710,758.28 : x - Step 2: Convert to fraction form
1,283,718.13/1,771,586.37 = 710,758.28/x - Step 3: Cross multiply
1,283,718.13x = 1,771,586.37 × 710,758.28 - Step 4: Simplify right side
1,283,718.13x = 1,259,169,681,212.64 - Step 5: Solve for x
x = 1,259,169,681,212.64/1,283,718.13 - Step 6: Final answer
x = 980,877.07
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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.