Finding the Fourth Proportional to 1,192,297.68, 1,645,354.89 and 648,421.74
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Solution
The fourth proportional to 1,192,297.68, 1,645,354.89 and 648,421.74 is: 894,813.35
Step by Step Solution
- Step 1: Write the proportion equation
1,192,297.68 : 1,645,354.89 = 648,421.74 : x - Step 2: Convert to fraction form
1,192,297.68/1,645,354.89 = 648,421.74/x - Step 3: Cross multiply
1,192,297.68x = 1,645,354.89 × 648,421.74 - Step 4: Simplify right side
1,192,297.68x = 1,066,883,880,691.31 - Step 5: Solve for x
x = 1,066,883,880,691.31/1,192,297.68 - Step 6: Final answer
x = 894,813.35
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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.