Finding the Fourth Proportional to 1,309,026.84, 1,806,421.14 and 736,052.28
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Solution
The fourth proportional to 1,309,026.84, 1,806,421.14 and 736,052.28 is: 1,015,731.96
Step by Step Solution
- Step 1: Write the proportion equation
1,309,026.84 : 1,806,421.14 = 736,052.28 : x - Step 2: Convert to fraction form
1,309,026.84/1,806,421.14 = 736,052.28/x - Step 3: Cross multiply
1,309,026.84x = 1,806,421.14 × 736,052.28 - Step 4: Simplify right side
1,309,026.84x = 1,329,620,398,737.20 - Step 5: Solve for x
x = 1,329,620,398,737.20/1,309,026.84 - Step 6: Final answer
x = 1,015,731.96
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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.