Finding the Fourth Proportional to 1,395,118.06, 1,925,113.79 and 783,338.06
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Solution
The fourth proportional to 1,395,118.06, 1,925,113.79 and 783,338.06 is: 1,080,922.79
Step by Step Solution
- Step 1: Write the proportion equation
1,395,118.06 : 1,925,113.79 = 783,338.06 : x - Step 2: Convert to fraction form
1,395,118.06/1,925,113.79 = 783,338.06/x - Step 3: Cross multiply
1,395,118.06x = 1,925,113.79 × 783,338.06 - Step 4: Simplify right side
1,395,118.06x = 1,508,014,908,308.98 - Step 5: Solve for x
x = 1,508,014,908,308.98/1,395,118.06 - Step 6: Final answer
x = 1,080,922.79
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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.