Finding the Fourth Proportional to 1,117,361.70, 1,676,917.35 and 518,397.08
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Solution
The fourth proportional to 1,117,361.70, 1,676,917.35 and 518,397.08 is: 778,001.47
Step by Step Solution
- Step 1: Write the proportion equation
1,117,361.70 : 1,676,917.35 = 518,397.08 : x - Step 2: Convert to fraction form
1,117,361.70/1,676,917.35 = 518,397.08/x - Step 3: Cross multiply
1,117,361.70x = 1,676,917.35 × 518,397.08 - Step 4: Simplify right side
1,117,361.70x = 869,309,049,256.75 - Step 5: Solve for x
x = 869,309,049,256.75/1,117,361.70 - Step 6: Final answer
x = 778,001.47
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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.