Finding the Fourth Proportional to 1,168,272.05, 1,612,214.55 and 658,974.42
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Solution
The fourth proportional to 1,168,272.05, 1,612,214.55 and 658,974.42 is: 909,384.21
Step by Step Solution
- Step 1: Write the proportion equation
1,168,272.05 : 1,612,214.55 = 658,974.42 : x - Step 2: Convert to fraction form
1,168,272.05/1,612,214.55 = 658,974.42/x - Step 3: Cross multiply
1,168,272.05x = 1,612,214.55 × 658,974.42 - Step 4: Simplify right side
1,168,272.05x = 1,062,408,148,001.81 - Step 5: Solve for x
x = 1,062,408,148,001.81/1,168,272.05 - Step 6: Final answer
x = 909,384.21
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1.5x scale
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.