Finding the Fourth Proportional to 1,330,208.94, 1,835,105.19 and 813,987.63
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Solution
The fourth proportional to 1,330,208.94, 1,835,105.19 and 813,987.63 is: 1,122,946.09
Step by Step Solution
- Step 1: Write the proportion equation
1,330,208.94 : 1,835,105.19 = 813,987.63 : x - Step 2: Convert to fraction form
1,330,208.94/1,835,105.19 = 813,987.63/x - Step 3: Cross multiply
1,330,208.94x = 1,835,105.19 × 813,987.63 - Step 4: Simplify right side
1,330,208.94x = 1,493,752,924,408.80 - Step 5: Solve for x
x = 1,493,752,924,408.80/1,330,208.94 - Step 6: Final answer
x = 1,122,946.09
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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.