Finding the Fourth Proportional to 1,070,346.51, 1,605,755.85 and 312,247.26
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Solution
The fourth proportional to 1,070,346.51, 1,605,755.85 and 312,247.26 is: 468,439.76
Step by Step Solution
- Step 1: Write the proportion equation
1,070,346.51 : 1,605,755.85 = 312,247.26 : x - Step 2: Convert to fraction form
1,070,346.51/1,605,755.85 = 312,247.26/x - Step 3: Cross multiply
1,070,346.51x = 1,605,755.85 × 312,247.26 - Step 4: Simplify right side
1,070,346.51x = 501,392,862,830.24 - Step 5: Solve for x
x = 501,392,862,830.24/1,070,346.51 - Step 6: Final answer
x = 468,439.76
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.