Finding the Fourth Proportional to 1,423,737.68, 1,964,731.75 and 779,144.94
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Solution
The fourth proportional to 1,423,737.68, 1,964,731.75 and 779,144.94 is: 1,075,205.66
Step by Step Solution
- Step 1: Write the proportion equation
1,423,737.68 : 1,964,731.75 = 779,144.94 : x - Step 2: Convert to fraction form
1,423,737.68/1,964,731.75 = 779,144.94/x - Step 3: Cross multiply
1,423,737.68x = 1,964,731.75 × 779,144.94 - Step 4: Simplify right side
1,423,737.68x = 1,530,810,799,521.98 - Step 5: Solve for x
x = 1,530,810,799,521.98/1,423,737.68 - Step 6: Final answer
x = 1,075,205.66
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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.