Finding the Fourth Proportional to 1,292,528.52, 1,783,654.61 and 719,568.68
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Solution
The fourth proportional to 1,292,528.52, 1,783,654.61 and 719,568.68 is: 992,985.42
Step by Step Solution
- Step 1: Write the proportion equation
1,292,528.52 : 1,783,654.61 = 719,568.68 : x - Step 2: Convert to fraction form
1,292,528.52/1,783,654.61 = 719,568.68/x - Step 3: Cross multiply
1,292,528.52x = 1,783,654.61 × 719,568.68 - Step 4: Simplify right side
1,292,528.52x = 1,283,461,980,777.50 - Step 5: Solve for x
x = 1,283,461,980,777.50/1,292,528.52 - Step 6: Final answer
x = 992,985.42
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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.