Finding the Fourth Proportional to 1,158,364.70, 1,597,595.48 and 815,336.18
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Solution
The fourth proportional to 1,158,364.70, 1,597,595.48 and 815,336.18 is: 1,124,496.79
Step by Step Solution
- Step 1: Write the proportion equation
1,158,364.70 : 1,597,595.48 = 815,336.18 : x - Step 2: Convert to fraction form
1,158,364.70/1,597,595.48 = 815,336.18/x - Step 3: Cross multiply
1,158,364.70x = 1,597,595.48 × 815,336.18 - Step 4: Simplify right side
1,158,364.70x = 1,302,577,391,771.79 - Step 5: Solve for x
x = 1,302,577,391,771.79/1,158,364.70 - Step 6: Final answer
x = 1,124,496.79
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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.