Finding the Fourth Proportional to 1,235,291.56, 1,853,256.80 and 723,389.00
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Solution
The fourth proportional to 1,235,291.56, 1,853,256.80 and 723,389.00 is: 1,085,270.58
Step by Step Solution
- Step 1: Write the proportion equation
1,235,291.56 : 1,853,256.80 = 723,389.00 : x - Step 2: Convert to fraction form
1,235,291.56/1,853,256.80 = 723,389.00/x - Step 3: Cross multiply
1,235,291.56x = 1,853,256.80 × 723,389.00 - Step 4: Simplify right side
1,235,291.56x = 1,340,625,584,311.40 - Step 5: Solve for x
x = 1,340,625,584,311.40/1,235,291.56 - Step 6: Final answer
x = 1,085,270.58
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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.