Finding the Fourth Proportional to 1,346,979.36, 2,020,395.18 and 814,357.38
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Solution
The fourth proportional to 1,346,979.36, 2,020,395.18 and 814,357.38 is: 1,221,491.42
Step by Step Solution
- Step 1: Write the proportion equation
1,346,979.36 : 2,020,395.18 = 814,357.38 : x - Step 2: Convert to fraction form
1,346,979.36/2,020,395.18 = 814,357.38/x - Step 3: Cross multiply
1,346,979.36x = 2,020,395.18 × 814,357.38 - Step 4: Simplify right side
1,346,979.36x = 1,645,323,725,349.43 - Step 5: Solve for x
x = 1,645,323,725,349.43/1,346,979.36 - Step 6: Final answer
x = 1,221,491.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.