Finding the Fourth Proportional to 1,070,423.54, 1,477,204.74 and 586,959.84
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Solution
The fourth proportional to 1,070,423.54, 1,477,204.74 and 586,959.84 is: 810,015.69
Step by Step Solution
- Step 1: Write the proportion equation
1,070,423.54 : 1,477,204.74 = 586,959.84 : x - Step 2: Convert to fraction form
1,070,423.54/1,477,204.74 = 586,959.84/x - Step 3: Cross multiply
1,070,423.54x = 1,477,204.74 × 586,959.84 - Step 4: Simplify right side
1,070,423.54x = 867,059,857,837.64 - Step 5: Solve for x
x = 867,059,857,837.64/1,070,423.54 - Step 6: Final answer
x = 810,015.69
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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.