Finding the Fourth Proportional to 1,395,343.74, 1,925,549.88 and 783,501.36
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Solution
The fourth proportional to 1,395,343.74, 1,925,549.88 and 783,501.36 is: 1,081,218.13
Step by Step Solution
- Step 1: Write the proportion equation
1,395,343.74 : 1,925,549.88 = 783,501.36 : x - Step 2: Convert to fraction form
1,395,343.74/1,925,549.88 = 783,501.36/x - Step 3: Cross multiply
1,395,343.74x = 1,925,549.88 × 783,501.36 - Step 4: Simplify right side
1,395,343.74x = 1,508,670,949,727.84 - Step 5: Solve for x
x = 1,508,670,949,727.84/1,395,343.74 - Step 6: Final answer
x = 1,081,218.13
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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.