Finding the Fourth Proportional to 1,116,534.84, 1,674,802.26 and 485,448.66
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Solution
The fourth proportional to 1,116,534.84, 1,674,802.26 and 485,448.66 is: 728,172.99
Step by Step Solution
- Step 1: Write the proportion equation
1,116,534.84 : 1,674,802.26 = 485,448.66 : x - Step 2: Convert to fraction form
1,116,534.84/1,674,802.26 = 485,448.66/x - Step 3: Cross multiply
1,116,534.84x = 1,674,802.26 × 485,448.66 - Step 4: Simplify right side
1,116,534.84x = 813,030,512,881.97 - Step 5: Solve for x
x = 813,030,512,881.97/1,116,534.84 - Step 6: Final answer
x = 728,172.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.