Finding the Fourth Proportional to 1,739,236.48, 2,400,490.58 and 1,128,146.56
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Solution
The fourth proportional to 1,739,236.48, 2,400,490.58 and 1,128,146.56 is: 1,557,065.54
Step by Step Solution
- Step 1: Write the proportion equation
1,739,236.48 : 2,400,490.58 = 1,128,146.56 : x - Step 2: Convert to fraction form
1,739,236.48/2,400,490.58 = 1,128,146.56/x - Step 3: Cross multiply
1,739,236.48x = 2,400,490.58 × 1,128,146.56 - Step 4: Simplify right side
1,739,236.48x = 2,708,105,190,139.40 - Step 5: Solve for x
x = 2,708,105,190,139.40/1,739,236.48 - Step 6: Final answer
x = 1,557,065.54
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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.