Finding the Fourth Proportional to 1,340,337.26, 1,849,679.60 and 728,490.08
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Solution
The fourth proportional to 1,340,337.26, 1,849,679.60 and 728,490.08 is: 1,005,324.01
Step by Step Solution
- Step 1: Write the proportion equation
1,340,337.26 : 1,849,679.60 = 728,490.08 : x - Step 2: Convert to fraction form
1,340,337.26/1,849,679.60 = 728,490.08/x - Step 3: Cross multiply
1,340,337.26x = 1,849,679.60 × 728,490.08 - Step 4: Simplify right side
1,340,337.26x = 1,347,473,226,887.52 - Step 5: Solve for x
x = 1,347,473,226,887.52/1,340,337.26 - Step 6: Final answer
x = 1,005,324.01
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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.