Finding the Fourth Proportional to 1,102,246.76, 1,520,995.46 and 618,701.08
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Solution
The fourth proportional to 1,102,246.76, 1,520,995.46 and 618,701.08 is: 853,748.51
Step by Step Solution
- Step 1: Write the proportion equation
1,102,246.76 : 1,520,995.46 = 618,701.08 : x - Step 2: Convert to fraction form
1,102,246.76/1,520,995.46 = 618,701.08/x - Step 3: Cross multiply
1,102,246.76x = 1,520,995.46 × 618,701.08 - Step 4: Simplify right side
1,102,246.76x = 941,041,533,777.10 - Step 5: Solve for x
x = 941,041,533,777.10/1,102,246.76 - Step 6: Final answer
x = 853,748.51
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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.