Finding the Fourth Proportional to 1,125,360.58, 1,553,080.17 and 742,723.06
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Solution
The fourth proportional to 1,125,360.58, 1,553,080.17 and 742,723.06 is: 1,025,012.32
Step by Step Solution
- Step 1: Write the proportion equation
1,125,360.58 : 1,553,080.17 = 742,723.06 : x - Step 2: Convert to fraction form
1,125,360.58/1,553,080.17 = 742,723.06/x - Step 3: Cross multiply
1,125,360.58x = 1,553,080.17 × 742,723.06 - Step 4: Simplify right side
1,125,360.58x = 1,153,508,456,287.72 - Step 5: Solve for x
x = 1,153,508,456,287.72/1,125,360.58 - Step 6: Final answer
x = 1,025,012.32
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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.