Finding the Fourth Proportional to 1,112,225.76, 1,534,811.94 and 628,762.08
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Solution
The fourth proportional to 1,112,225.76, 1,534,811.94 and 628,762.08 is: 867,657.97
Step by Step Solution
- Step 1: Write the proportion equation
1,112,225.76 : 1,534,811.94 = 628,762.08 : x - Step 2: Convert to fraction form
1,112,225.76/1,534,811.94 = 628,762.08/x - Step 3: Cross multiply
1,112,225.76x = 1,534,811.94 × 628,762.08 - Step 4: Simplify right side
1,112,225.76x = 965,031,547,803.24 - Step 5: Solve for x
x = 965,031,547,803.24/1,112,225.76 - Step 6: Final answer
x = 867,657.97
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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.