Finding the Fourth Proportional to 1,227,355.65, 1,692,878.28 and 819,251.73
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Solution
The fourth proportional to 1,227,355.65, 1,692,878.28 and 819,251.73 is: 1,129,984.99
Step by Step Solution
- Step 1: Write the proportion equation
1,227,355.65 : 1,692,878.28 = 819,251.73 : x - Step 2: Convert to fraction form
1,227,355.65/1,692,878.28 = 819,251.73/x - Step 3: Cross multiply
1,227,355.65x = 1,692,878.28 × 819,251.73 - Step 4: Simplify right side
1,227,355.65x = 1,386,893,459,569.42 - Step 5: Solve for x
x = 1,386,893,459,569.42/1,227,355.65 - Step 6: Final answer
x = 1,129,984.99
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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.