Finding the Fourth Proportional to 1,109,718.24, 1,531,416.42 and 626,303.76
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Solution
The fourth proportional to 1,109,718.24, 1,531,416.42 and 626,303.76 is: 864,302.15
Step by Step Solution
- Step 1: Write the proportion equation
1,109,718.24 : 1,531,416.42 = 626,303.76 : x - Step 2: Convert to fraction form
1,109,718.24/1,531,416.42 = 626,303.76/x - Step 3: Cross multiply
1,109,718.24x = 1,531,416.42 × 626,303.76 - Step 4: Simplify right side
1,109,718.24x = 959,131,861,971.74 - Step 5: Solve for x
x = 959,131,861,971.74/1,109,718.24 - Step 6: Final answer
x = 864,302.15
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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.