Finding the Fourth Proportional to 1,031,908.48, 1,423,955.58 and 579,112
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Solution
The fourth proportional to 1,031,908.48, 1,423,955.58 and 579,112 is: 799,130.72
Step by Step Solution
- Step 1: Write the proportion equation
1,031,908.48 : 1,423,955.58 = 579,112 : x - Step 2: Convert to fraction form
1,031,908.48/1,423,955.58 = 579,112/x - Step 3: Cross multiply
1,031,908.48x = 1,423,955.58 × 579,112 - Step 4: Simplify right side
1,031,908.48x = 824,629,763,844.96 - Step 5: Solve for x
x = 824,629,763,844.96/1,031,908.48 - Step 6: Final answer
x = 799,130.72
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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.