Finding the Fourth Proportional to 1,357,377.28, 1,873,203.22 and 745,586.66
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Solution
The fourth proportional to 1,357,377.28, 1,873,203.22 and 745,586.66 is: 1,028,921.99
Step by Step Solution
- Step 1: Write the proportion equation
1,357,377.28 : 1,873,203.22 = 745,586.66 : x - Step 2: Convert to fraction form
1,357,377.28/1,873,203.22 = 745,586.66/x - Step 3: Cross multiply
1,357,377.28x = 1,873,203.22 × 745,586.66 - Step 4: Simplify right side
1,357,377.28x = 1,396,635,332,301.05 - Step 5: Solve for x
x = 1,396,635,332,301.05/1,357,377.28 - Step 6: Final answer
x = 1,028,921.99
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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.