Finding the Fourth Proportional to 1,109,717.74, 1,531,415.73 and 626,303.26
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Solution
The fourth proportional to 1,109,717.74, 1,531,415.73 and 626,303.26 is: 864,301.46
Step by Step Solution
- Step 1: Write the proportion equation
1,109,717.74 : 1,531,415.73 = 626,303.26 : x - Step 2: Convert to fraction form
1,109,717.74/1,531,415.73 = 626,303.26/x - Step 3: Cross multiply
1,109,717.74x = 1,531,415.73 × 626,303.26 - Step 4: Simplify right side
1,109,717.74x = 959,130,664,114.28 - Step 5: Solve for x
x = 959,130,664,114.28/1,109,717.74 - Step 6: Final answer
x = 864,301.46
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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.