Finding the Fourth Proportional to 1,255,642.81, 1,732,778.33 and 682,682.99
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Solution
The fourth proportional to 1,255,642.81, 1,732,778.33 and 682,682.99 is: 942,097.76
Step by Step Solution
- Step 1: Write the proportion equation
1,255,642.81 : 1,732,778.33 = 682,682.99 : x - Step 2: Convert to fraction form
1,255,642.81/1,732,778.33 = 682,682.99/x - Step 3: Cross multiply
1,255,642.81x = 1,732,778.33 × 682,682.99 - Step 4: Simplify right side
1,255,642.81x = 1,182,938,279,254.30 - Step 5: Solve for x
x = 1,182,938,279,254.30/1,255,642.81 - Step 6: Final answer
x = 942,097.76
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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.