Finding the Fourth Proportional to 1,119,657.70, 1,679,875.35 and 489,024.10
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Solution
The fourth proportional to 1,119,657.70, 1,679,875.35 and 489,024.10 is: 733,705.96
Step by Step Solution
- Step 1: Write the proportion equation
1,119,657.70 : 1,679,875.35 = 489,024.10 : x - Step 2: Convert to fraction form
1,119,657.70/1,679,875.35 = 489,024.10/x - Step 3: Cross multiply
1,119,657.70x = 1,679,875.35 × 489,024.10 - Step 4: Simplify right side
1,119,657.70x = 821,499,531,145.94 - Step 5: Solve for x
x = 821,499,531,145.94/1,119,657.70 - Step 6: Final answer
x = 733,705.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.