Finding the Fourth Proportional to 1,307,245.08, 1,803,718.36 and 763,133.92
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Solution
The fourth proportional to 1,307,245.08, 1,803,718.36 and 763,133.92 is: 1,052,961.44
Step by Step Solution
- Step 1: Write the proportion equation
1,307,245.08 : 1,803,718.36 = 763,133.92 : x - Step 2: Convert to fraction form
1,307,245.08/1,803,718.36 = 763,133.92/x - Step 3: Cross multiply
1,307,245.08x = 1,803,718.36 × 763,133.92 - Step 4: Simplify right side
1,307,245.08x = 1,376,478,662,642.77 - Step 5: Solve for x
x = 1,376,478,662,642.77/1,307,245.08 - Step 6: Final answer
x = 1,052,961.44
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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.