Finding the Fourth Proportional to 1,110,109.16, 1,531,811.94 and 626,614.76
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Solution
The fourth proportional to 1,110,109.16, 1,531,811.94 and 626,614.76 is: 864,650.08
Step by Step Solution
- Step 1: Write the proportion equation
1,110,109.16 : 1,531,811.94 = 626,614.76 : x - Step 2: Convert to fraction form
1,110,109.16/1,531,811.94 = 626,614.76/x - Step 3: Cross multiply
1,110,109.16x = 1,531,811.94 × 626,614.76 - Step 4: Simplify right side
1,110,109.16x = 959,855,971,148.23 - Step 5: Solve for x
x = 959,855,971,148.23/1,110,109.16 - Step 6: Final answer
x = 864,650.08
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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.