Finding the Fourth Proportional to 1,199,584.12, 1,655,470.62 and 655,756.84
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Solution
The fourth proportional to 1,199,584.12, 1,655,470.62 and 655,756.84 is: 904,968.78
Step by Step Solution
- Step 1: Write the proportion equation
1,199,584.12 : 1,655,470.62 = 655,756.84 : x - Step 2: Convert to fraction form
1,199,584.12/1,655,470.62 = 655,756.84/x - Step 3: Cross multiply
1,199,584.12x = 1,655,470.62 × 655,756.84 - Step 4: Simplify right side
1,199,584.12x = 1,085,586,182,484.04 - Step 5: Solve for x
x = 1,085,586,182,484.04/1,199,584.12 - Step 6: Final answer
x = 904,968.78
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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.