Finding the Fourth Proportional to 1,377,852.98, 2,065,664.18 and 430,736.18
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Solution
The fourth proportional to 1,377,852.98, 2,065,664.18 and 430,736.18 is: 645,755.61
Step by Step Solution
- Step 1: Write the proportion equation
1,377,852.98 : 2,065,664.18 = 430,736.18 : x - Step 2: Convert to fraction form
1,377,852.98/2,065,664.18 = 430,736.18/x - Step 3: Cross multiply
1,377,852.98x = 2,065,664.18 × 430,736.18 - Step 4: Simplify right side
1,377,852.98x = 889,756,298,056.03 - Step 5: Solve for x
x = 889,756,298,056.03/1,377,852.98 - Step 6: Final answer
x = 645,755.61
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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.