Finding the Fourth Proportional to 1,103,608.14, 1,523,009.58 and 620,217.36
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Solution
The fourth proportional to 1,103,608.14, 1,523,009.58 and 620,217.36 is: 855,917.01
Step by Step Solution
- Step 1: Write the proportion equation
1,103,608.14 : 1,523,009.58 = 620,217.36 : x - Step 2: Convert to fraction form
1,103,608.14/1,523,009.58 = 620,217.36/x - Step 3: Cross multiply
1,103,608.14x = 1,523,009.58 × 620,217.36 - Step 4: Simplify right side
1,103,608.14x = 944,596,980,962.31 - Step 5: Solve for x
x = 944,596,980,962.31/1,103,608.14 - Step 6: Final answer
x = 855,917.01
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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.