Finding the Fourth Proportional to 1,309,415.16, 1,806,975.12 and 736,455.18
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Solution
The fourth proportional to 1,309,415.16, 1,806,975.12 and 736,455.18 is: 1,016,298.14
Step by Step Solution
- Step 1: Write the proportion equation
1,309,415.16 : 1,806,975.12 = 736,455.18 : x - Step 2: Convert to fraction form
1,309,415.16/1,806,975.12 = 736,455.18/x - Step 3: Cross multiply
1,309,415.16x = 1,806,975.12 × 736,455.18 - Step 4: Simplify right side
1,309,415.16x = 1,330,756,187,255.12 - Step 5: Solve for x
x = 1,330,756,187,255.12/1,309,415.16 - Step 6: Final answer
x = 1,016,298.14
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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.