Finding the Fourth Proportional to 1,021,557.76, 1,409,110.92 and 734,623.36
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Solution
The fourth proportional to 1,021,557.76, 1,409,110.92 and 734,623.36 is: 1,013,320.87
Step by Step Solution
- Step 1: Write the proportion equation
1,021,557.76 : 1,409,110.92 = 734,623.36 : x - Step 2: Convert to fraction form
1,021,557.76/1,409,110.92 = 734,623.36/x - Step 3: Cross multiply
1,021,557.76x = 1,409,110.92 × 734,623.36 - Step 4: Simplify right side
1,021,557.76x = 1,035,165,798,663.09 - Step 5: Solve for x
x = 1,035,165,798,663.09/1,021,557.76 - Step 6: Final answer
x = 1,013,320.87
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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.