Finding the Fourth Proportional to 1,346,101.32, 1,857,490.74 and 742,450.44
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Solution
The fourth proportional to 1,346,101.32, 1,857,490.74 and 742,450.44 is: 1,024,510.41
Step by Step Solution
- Step 1: Write the proportion equation
1,346,101.32 : 1,857,490.74 = 742,450.44 : x - Step 2: Convert to fraction form
1,346,101.32/1,857,490.74 = 742,450.44/x - Step 3: Cross multiply
1,346,101.32x = 1,857,490.74 × 742,450.44 - Step 4: Simplify right side
1,346,101.32x = 1,379,094,817,208.93 - Step 5: Solve for x
x = 1,379,094,817,208.93/1,346,101.32 - Step 6: Final answer
x = 1,024,510.41
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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.