Finding the Fourth Proportional to 1,041,014.05, 1,433,405.76 and 911,226.19
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Solution
The fourth proportional to 1,041,014.05, 1,433,405.76 and 911,226.19 is: 1,254,696.68
Step by Step Solution
- Step 1: Write the proportion equation
1,041,014.05 : 1,433,405.76 = 911,226.19 : x - Step 2: Convert to fraction form
1,041,014.05/1,433,405.76 = 911,226.19/x - Step 3: Cross multiply
1,041,014.05x = 1,433,405.76 × 911,226.19 - Step 4: Simplify right side
1,041,014.05x = 1,306,156,875,628.02 - Step 5: Solve for x
x = 1,306,156,875,628.02/1,041,014.05 - Step 6: Final answer
x = 1,254,696.68
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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.