Finding the Fourth Proportional to 1,758,539.69, 2,636,431.47 and 694,378.29
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Solution
The fourth proportional to 1,758,539.69, 2,636,431.47 and 694,378.29 is: 1,041,023.29
Step by Step Solution
- Step 1: Write the proportion equation
1,758,539.69 : 2,636,431.47 = 694,378.29 : x - Step 2: Convert to fraction form
1,758,539.69/2,636,431.47 = 694,378.29/x - Step 3: Cross multiply
1,758,539.69x = 2,636,431.47 × 694,378.29 - Step 4: Simplify right side
1,758,539.69x = 1,830,680,775,840.79 - Step 5: Solve for x
x = 1,830,680,775,840.79/1,758,539.69 - Step 6: Final answer
x = 1,041,023.29
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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.