Finding the Fourth Proportional to 1,073,395.12, 1,479,760.68 and 853,677.56
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Solution
The fourth proportional to 1,073,395.12, 1,479,760.68 and 853,677.56 is: 1,176,862.52
Step by Step Solution
- Step 1: Write the proportion equation
1,073,395.12 : 1,479,760.68 = 853,677.56 : x - Step 2: Convert to fraction form
1,073,395.12/1,479,760.68 = 853,677.56/x - Step 3: Cross multiply
1,073,395.12x = 1,479,760.68 × 853,677.56 - Step 4: Simplify right side
1,073,395.12x = 1,263,238,486,686.34 - Step 5: Solve for x
x = 1,263,238,486,686.34/1,073,395.12 - Step 6: Final answer
x = 1,176,862.52
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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.