Finding the Fourth Proportional to 1,427,675.04, 1,970,246.70 and 783,122.40
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Solution
The fourth proportional to 1,427,675.04, 1,970,246.70 and 783,122.40 is: 1,080,739.16
Step by Step Solution
- Step 1: Write the proportion equation
1,427,675.04 : 1,970,246.70 = 783,122.40 : x - Step 2: Convert to fraction form
1,427,675.04/1,970,246.70 = 783,122.40/x - Step 3: Cross multiply
1,427,675.04x = 1,970,246.70 × 783,122.40 - Step 4: Simplify right side
1,427,675.04x = 1,542,944,324,296.08 - Step 5: Solve for x
x = 1,542,944,324,296.08/1,427,675.04 - Step 6: Final answer
x = 1,080,739.16
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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.