Finding the Fourth Proportional to 1,330,595.90, 1,836,223.08 and 718,748.66
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Solution
The fourth proportional to 1,330,595.90, 1,836,223.08 and 718,748.66 is: 991,873.55
Step by Step Solution
- Step 1: Write the proportion equation
1,330,595.90 : 1,836,223.08 = 718,748.66 : x - Step 2: Convert to fraction form
1,330,595.90/1,836,223.08 = 718,748.66/x - Step 3: Cross multiply
1,330,595.90x = 1,836,223.08 × 718,748.66 - Step 4: Simplify right side
1,330,595.90x = 1,319,782,878,211.07 - Step 5: Solve for x
x = 1,319,782,878,211.07/1,330,595.90 - Step 6: Final answer
x = 991,873.55
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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.