Finding the Fourth Proportional to 1,307,248.81, 1,803,723.53 and 763,137.67
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Solution
The fourth proportional to 1,307,248.81, 1,803,723.53 and 763,137.67 is: 1,052,966.63
Step by Step Solution
- Step 1: Write the proportion equation
1,307,248.81 : 1,803,723.53 = 763,137.67 : x - Step 2: Convert to fraction form
1,307,248.81/1,803,723.53 = 763,137.67/x - Step 3: Cross multiply
1,307,248.81x = 1,803,723.53 × 763,137.67 - Step 4: Simplify right side
1,307,248.81x = 1,376,489,368,192.69 - Step 5: Solve for x
x = 1,376,489,368,192.69/1,307,248.81 - Step 6: Final answer
x = 1,052,966.63
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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.