Finding the Fourth Proportional to 1,340,349.09, 1,849,700.50 and 728,501.67
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Solution
The fourth proportional to 1,340,349.09, 1,849,700.50 and 728,501.67 is: 1,005,342.50
Step by Step Solution
- Step 1: Write the proportion equation
1,340,349.09 : 1,849,700.50 = 728,501.67 : x - Step 2: Convert to fraction form
1,340,349.09/1,849,700.50 = 728,501.67/x - Step 3: Cross multiply
1,340,349.09x = 1,849,700.50 × 728,501.67 - Step 4: Simplify right side
1,340,349.09x = 1,347,509,903,249.84 - Step 5: Solve for x
x = 1,347,509,903,249.84/1,340,349.09 - Step 6: Final answer
x = 1,005,342.50
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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.