Finding the Fourth Proportional to 1,354,140.75, 1,868,714.24 and 750,528.75
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Solution
The fourth proportional to 1,354,140.75, 1,868,714.24 and 750,528.75 is: 1,035,729.68
Step by Step Solution
- Step 1: Write the proportion equation
1,354,140.75 : 1,868,714.24 = 750,528.75 : x - Step 2: Convert to fraction form
1,354,140.75/1,868,714.24 = 750,528.75/x - Step 3: Cross multiply
1,354,140.75x = 1,868,714.24 × 750,528.75 - Step 4: Simplify right side
1,354,140.75x = 1,402,523,758,901.76 - Step 5: Solve for x
x = 1,402,523,758,901.76/1,354,140.75 - Step 6: Final answer
x = 1,035,729.68
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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.