Finding the Fourth Proportional to 1,109,748.02, 1,531,288.08 and 673,938.74
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Solution
The fourth proportional to 1,109,748.02, 1,531,288.08 and 673,938.74 is: 929,935.75
Step by Step Solution
- Step 1: Write the proportion equation
1,109,748.02 : 1,531,288.08 = 673,938.74 : x - Step 2: Convert to fraction form
1,109,748.02/1,531,288.08 = 673,938.74/x - Step 3: Cross multiply
1,109,748.02x = 1,531,288.08 × 673,938.74 - Step 4: Simplify right side
1,109,748.02x = 1,031,994,359,212.22 - Step 5: Solve for x
x = 1,031,994,359,212.22/1,109,748.02 - Step 6: Final answer
x = 929,935.75
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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.