Finding the Fourth Proportional to 1,307,249.12, 1,803,723.96 and 763,137.98
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Solution
The fourth proportional to 1,307,249.12, 1,803,723.96 and 763,137.98 is: 1,052,967.06
Step by Step Solution
- Step 1: Write the proportion equation
1,307,249.12 : 1,803,723.96 = 763,137.98 : x - Step 2: Convert to fraction form
1,307,249.12/1,803,723.96 = 763,137.98/x - Step 3: Cross multiply
1,307,249.12x = 1,803,723.96 × 763,137.98 - Step 4: Simplify right side
1,307,249.12x = 1,376,490,260,959.54 - Step 5: Solve for x
x = 1,376,490,260,959.54/1,307,249.12 - Step 6: Final answer
x = 1,052,967.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.