Finding the Fourth Proportional to 1,393,009.23, 1,921,538.29 and 875,944.79
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Solution
The fourth proportional to 1,393,009.23, 1,921,538.29 and 875,944.79 is: 1,208,291.67
Step by Step Solution
- Step 1: Write the proportion equation
1,393,009.23 : 1,921,538.29 = 875,944.79 : x - Step 2: Convert to fraction form
1,393,009.23/1,921,538.29 = 875,944.79/x - Step 3: Cross multiply
1,393,009.23x = 1,921,538.29 × 875,944.79 - Step 4: Simplify right side
1,393,009.23x = 1,683,161,453,911.01 - Step 5: Solve for x
x = 1,683,161,453,911.01/1,393,009.23 - Step 6: Final answer
x = 1,208,291.67
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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.