Finding the Fourth Proportional to 1,021,563.18, 1,409,766.84 and 562,679.46
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Solution
The fourth proportional to 1,021,563.18, 1,409,766.84 and 562,679.46 is: 776,502.97
Step by Step Solution
- Step 1: Write the proportion equation
1,021,563.18 : 1,409,766.84 = 562,679.46 : x - Step 2: Convert to fraction form
1,021,563.18/1,409,766.84 = 562,679.46/x - Step 3: Cross multiply
1,021,563.18x = 1,409,766.84 × 562,679.46 - Step 4: Simplify right side
1,021,563.18x = 793,246,844,257.11 - Step 5: Solve for x
x = 793,246,844,257.11/1,021,563.18 - Step 6: Final answer
x = 776,502.97
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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.