Finding the Fourth Proportional to 1,031,614.72, 1,423,263.36 and 674,126.08
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Solution
The fourth proportional to 1,031,614.72, 1,423,263.36 and 674,126.08 is: 930,055.51
Step by Step Solution
- Step 1: Write the proportion equation
1,031,614.72 : 1,423,263.36 = 674,126.08 : x - Step 2: Convert to fraction form
1,031,614.72/1,423,263.36 = 674,126.08/x - Step 3: Cross multiply
1,031,614.72x = 1,423,263.36 × 674,126.08 - Step 4: Simplify right side
1,031,614.72x = 959,458,949,684.43 - Step 5: Solve for x
x = 959,458,949,684.43/1,031,614.72 - Step 6: Final answer
x = 930,055.51
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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.